Risk

Like health personnel, such as doctors and nurses, and chaplains, teachers are not employed directly by Norwegian prisons. Instead prisons are assigned qualified upper secondary school teachers, employed by and supplied by the relevant county. In other words, prison administrators have no say in who does the teaching, nor in what is taught. However, they do have a say in who can be taught.

This separation ensures that we, as teachers, are not compromised by being part of a prison chain of command. In practical terms, this means that while prison guards, administrators, kitchen and cleaning staff, have keys to open gates so they can drive into the prison, we professionals have to ask permission, every day, to enter or leave the prison. Our status is somewhere between that of inmates and prison staff.

I always enjoyed prison teaching. Yes, we spend more time than the average teacher drinking coffee, and there is a need for a form for gallows humour that comes with the job. We also have greater freedom to innovate. We are not only engaged in transferring skills and knowledge, but in encouraging a change in attitude. For example, many inmates engage in risky activities, reckless driving comes to mind. Sometimes, that risk affects them directly, but often it involves an innocent third party. One inmate with HIV, for example, was jailed for two years because he  had unprotected sex with a series of women, who were unaware of his HIV status.

I spent a lot of time teaching inmates the fundamentals of ergonomics. It was one way to bring a discussion of risk into lessons. On one level, I wanted inmates to understand how society assesses risk, on another level I wanted them to reflect on their own risky behaviour, not by talking about a particular situation, but in more general terms.

Here are my lecture notes on risk, that I used for several years when teaching ergonomics.

Risk is the combination of probability and severity.

Living involves risk. At every turn something may happen that transforms the living you into a non-living you, or a healthy you into an incapacitated you, a damaged you or a worn (out) you.

Every day, you have to manage risk.

A risk is acceptable if it is understood and tolerated, usually because implementing an effective countermeasure is too expensive or difficult compared to expected losses.

A scenario is a pathway of events leading to failure.

A scenario has a probability between 1 and 0.

It is assigned a classification, based on the worst case severity of the end condition.

A system may have many potential failure scenarios.

Preliminary risk levels can be provided in a hazard analysis.

The validation, more precise prediction (verification) and acceptance of risk is determined in a risk assessment (analysis).

The main goal of both is to control or eliminate risk.

Managing risk involves six stages:

  1. Initiate an action plan
  2. Classify work activities
  3. Identify hazards
  4. Determine risk
  5. Evaluate associated risks
  6. Control risks

Action plan

 

Slightly harmful

Harmful

Extremely harmful

Highly unlikely

Trivial

Tolerable

Substantial

Unlikely

Tolerable

Moderate

Substantial

Likely

Moderate

Substantial

Intolerable

Risk Level

Action & Timescal

Trivial

No action required and no documentary records kept.

Tolerable

No additional controls are required. Consideration may be given to a more cost-effective solution or improvement that imposes no additional cost burden. Monitoring is required to ensure that the controls are maintained.

Moderate

Efforts must be made to reduce the risk, but the costs of prevention should b e carefully measured and limited. Risk reduction measures should be implemented within a defined time period.

Where the moderate risk is associated with extremely harmful consequences, further assessment may be necessary to establish more precisely the likelihood of harm as a basis for determining the need for improved control measures.

Substantial

Work must not be started or continued until the risk has been reduced. Considerable resources may have to be allocated to reduce the risk. Where the risk involves a work in progress, urgent action must be taken to allow work to resume.

Intolerable

Work must not be started or continued until the risk has been reduced. If risk reduction is not possible, then no work can be performed.

A hazard is a potential to cause harm, including death, ill health and injury, damage to property, plant, products or the environment, production losses or increased liabilities, conditions that either exists or doesn’t exist (probability is 1 or 0, respectively). It may exist alone, in combination with other hazards forming events, that become functional failures or mishaps.A hazard analysis is a first step risk assessment process. Its purpose is to identify different type of hazards.

Hazard identification

  • Comparative methods, such as checklists.
  • Mathematical methods, such as deviation analysis.
  • Failure logic, such as fault trees.

Hazard checklist

  • Slippery or uneven ground/surfaces.
  • Inadequate guard rails or hand rails on stairs;
  • Person slips/falls on the level.
  • Person falls from heights.
  • Tool, material, etc.,falls from heights.
  • Inadequate room dimensions.
  • Manual lifting/handling of tools, materials, etc.
  • Plant and machinery hazards from assembly, commissioning, operation, maintenance, modification, repair and dismantling.
  • Transportation hazards involving vehicles as well as walking.
  • Fire and explosion hazards.
  • Violence.
  • Inhaled substances.
  • Eye damage from substances or activities.
  • Skin damage from substances that come into contact with, or absorption through, skin.
  • Damage caused by ingesting substances.
  • Damage caused by harmful energies, including electricity, radiation, noise and vibration.
  • Work-related upper limb disorders resulting from frequently repeated tasks.
  • Inappropriate environments in terms of temperature and humidity.
  • Inappropriate lighting levels.

Qualitative or Subjective Risk Assessment invokes judgement, without benefit of specialist skills or complicated techniques.
Quantitative or Probabilistic Risk Assessment (QRA or PRA) requires calculations of two components of risk (R): the magnitude of the potential loss (L), and the probability (p) that the loss will occur.

Workshop Tools: Hammer Drill

On 24 June 1996, I purchased a Black & Decker electric drill. Tools at the time were much more expensive than today. This drill cost over NOK 1 000 (USD 200). Until now, I have been happy with that purchase, and the drill works well even after more than 20 years of use. My wife fondly remembers using this drill to screw in all of the boards on the sun deck. Today, this faithful tool was transferred from the workshop to assume new, and less demanding, duties in the house.

bmd
Black & Decker Hammer Drill from 1996. It cost over NOK 1 000 (USD 200).

The main problem with this drill is not its colour, or its age. It is its lack of power. With only 450 W it is unable to do the work required of a drill in the workshop. Constructing work benches, I have to connect 48 x 96 mm boards with almost 100 each of 5.0 x 90 mm screws, and 6.0 x 160 mm screws. Both types are self-tapping production screws. The B&D was unable to drive the screws in without pilot holes. Even then, it would stop, refusing to move forward, so that an old man could demonstrate his strength driving the screws home, by hand.

On Wednesday, 7 March 2018, a replacement drill was purchased. It is a Meec Red 000 110 hammer drill. It cost NOK 600 (USD 77). It provides 1 150 W of power. Two other differences are: 1) a keyed chuck, and 2) two gears. Otherwise, both are functionally very similar.

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Meec Red Hammer Drill, new in 2018. It cost NOK 600 (USD 77).

The advantages of using this hammer drill were immediately apparent. First, compared to a key-less chuck, a keyed chuck is able to hold drill bits more securely, and it is easier to release them again. Second, rather than attaching masking tape onto a drill bit, it provides a depth gauge attachment. Third, it comes with a grip, so that both hands can be used to hold onto the tool. A related disadvantage is that this new drill is considerably heavier, so there is a greater need for a grip.

This drill was able to take advantage of the self-tapping screws, and was able to power them completely in. There was no need for any pilot holes. In general, this drill seems to be capable of providing the power a portable workshop drill needs.

 

 

Book Review: Elin Hilderbrand, The Surfing Lesson

Suffering from reader’s block, I thought this must be the ideal book for me. At 44 pages in length, there was a chance that I could get through it in four or five reading sessions. If nothing else, I could learn some tips that would improve my surfing technique.

The Plot

I think it is common practice to write something like spoiler alert. I can’t be bothering. No one I know, in their right mind, would read this book. It just isn’t worth the effort. Margot is married to Drum, but she is bored with her relationship. Now she is conniving to get Drum in fall in love (again) with his old girlfriend, Hadley. Margot feels that the jealousy and rage this might invoke, just might be enough to convince her to fight for her marriage. Then again, she might just be content to walk away.

I was surprised when the story suddenly ended on page 23. I expected to be about half way through, given the page count.

Here is a summary of the negative and positive aspects of the book.

Negative: 1) No surfing tips. 2) The text from page 23 to the end of the book on page 44 mainly consists of outtakes.

Positive: 1) The book ended.

Goodreads rating: Do you really expect me to put this on Goodreads? If one reads the Goodreads comments, one discovers that most people are offended that they paid $2 for 23 pages of text. In terms of public relations, this is an absolute failure.

A Simple Picture Frame: Design

Time. It passes so quickly. I estimate that we have had one particular painting now for about 30 years. It measures 605 x 950 mm. The stretchers are approximately 12 x 40 mm with mitre cuts. The artist attached drawings with the painting, so it could be framed, but that was not done.

Product Design

The artist suggested using 1 x 3 lumber. Rough sawn, it is 25 x 75 mm; dressed 4 sides, it becomes 19 x 65 mm. I will be using 21 x 70 Nordic pine, pre-painted in white. This colour was specified.

The frame will be made from 8 pieces of wood, four pieces are on edge, forming a perimeter protecting the painting. The other four inside will provide a flat surface for the attachment of the artwork. There are at least four ways to put these pieces together, as shown below. I believe the artist suggested design 2. This is what I will be making.

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Drawing of 4 designs for a simple frame. I believe Murray’s drawings for the frame where similar to Design 2.

At the moment, the design distance between the painting and the frame is 35 mm. Reflecting on this, it seems too generous. Excessive. Before anything permanent is done, I will make a jig, and invite comment. I suspect that the gap will be changed to somewhere between 30 and 10 mm. I suspect it will look best if the distance is the same as the thickness of the frame on edge, 21 mm.

If any change is made in this dimension, then the cutting list becomes invalid. A new one will have to be produced. It is good that design activities like this are actually fun! Have I considered using a spread-sheet? Yes, but my brain needs the opportunity to calculate more than I need instant gratification.

Production Design

Materials

  • 3 each 21 x 70 x 2400 Nordic pine lumber, pre-painted in white.
  • masking tape
  • wood glue
  • 1.2 x 40mm brads
  • white paint
  • 4 each spacers Ø = 15mm x 10 mm
  • screws 4,0 x 40 mm

Equipment

  • cross-cut saw
  • brad nail gun
  • 90° assembly jig
  • Torq T20 screwdriver

Process

Using a cut list that details the cuts to be made on each board, place masking take on the board where it is to be cross-cut. Measure the length and cut. Remove masking tape.

Assemble the pieces one corner at a time in the assembly jig, fasten with glue and brads. When all four corners are complete measure diagonals to ensure the frame is square. Adjust as necessary. Clamps should not be necessary.

There should be 4 ends, each 21 x 70 mm, that require painting. Paint.

The stretcher of the painting will be attached to the frame using stainless steel wood screws to prevent damage to the painting. The painting will only be attached at four points. Two screws will be attached onto the top stretcher, and two onto the bottom, 60 mm in from the side and 20 mm in from the top/ bottom. Between the frame and the stretcher there will be a 10 mm thick spacer.

Wood screws

Wood screws are preferred connectors in wood work spaces. They are strong, and allow connections to be made between parts made from solid wood, as well as sheet goods such as MDF and plywood. They eliminate the need for complex joinery. They have uses from the start to finish of a build, from jig and form construction through to mounting hardware and trim.

Screws are available in a variety of metals: aluminum, brass, silicon bronze and stainless steel. While there can be reasons for using something other than steel, including non-magnetic, corrosion resistance and decorative attributes, steel screws are the most useful for wood projects. Attributes include affordability, availability in a range of shapes and sizes, durability and strength.

Drywall screws are used by many wood workers. These are made from a relatively hard steel, allowing them to be driven in quickly, without pilot holes. They are often chosen because they are inexpensive. Unfortunately, they are also brittle and may snap. For projects requiring strong connections, they are a poor choice.

Production screws are hardened with sharp and strong points and threads capable of penetrating hard woods and other materials, including some metals. Their heads and shanks can withstand high torque driving with a power drill or impact driver, and can withstand stresses commonly experienced in furniture. Unfortunately, they are not weather resistant. Deck screws are production screws that have been plated and/or coated to increase corrosion resistance.

Several types of heads are available. Pan heads have a low disc with a rounded, high outer edge with large surface area. Button or dome heads are similar to pan heads, but with a more rounded top. These are not commonly used. Round heads have a decorative dome-shaped head. These are not designed to be used structurally. Truss or mushroom heads are specifically designed to prevent tampering. Flat or countersunk heads are conical, with a flat outer face and a tapered inner face. It is designed to sink into the material. Oval or raised heads are decorative with a countersunk bottom and rounded top. Of these the countersunk head is the most common in woodworking. Where a large surface area is needed for structural purposes, a pan head is used, with or without a washer, to increase the area.

Screw head types
Screw heads: (a) pan, (b) dome (button), (c) round, (d) truss (mushroom), (e) flat (countersunk), (f) oval (raised head)

As a Canadian, I used Robertson screws when I built my first sailboat in 1962-3. There were two qualities that made these an appropriate choice: stick fit and cam-out resistance. Stick fit is the ability of the driver to hold onto the screw without human intervention. This frees a hand but, more importantly, it allows screws to be driven into hard-to-reach places. Cam out is a problem with Phillips screws, especially. When torque exceeds a screw’s capacity the driver will slip out of the head of the screw.

Star (aka Torx) drives offer the same advantages as Robertson drives. Since these are universally available in Norway, these are preferred drives for woodworkers willing to make rational choices.

Standard screws at Unit One are Heco TFT Woodscrews, which can be used for interior and exterior purposes. They are in corrosion class 4, made of herded steel.

1244_5
Heco TFT Woodscrew

Standard sizes are: (Torx 20) 4.0 x 30, (Torx 25) 5.0 x 40, 5.0 x 60, (Torx 30) 6.0 x 90 and 6.0 x 160.

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Heco TFT Woodscrew packaging.

Corrosion Protection

ISO Standard 12944 specifies corrosion classes described in the table below, with examples. These classes show the situations where iron and other metals are to given corrosion protection.

ISO 12944ImpactInteriorExterior
C1Very lowHeated buildings with clean air, such as offices, shops, schools, hotels, etc.None
C2LowUnheated buildings, where condensation may occur, such as warehouses and sports halls.Atmosphere with low pollution. For example in the country.
C3MiddleBuildings for production with high atmospheric humidity and some air pollution such as food manufacturers, breweries, dairies and laundries.Urban and industrial areas, moderate sulphur dioxide pollution. Coastal areas with low salt content.
C4HighChemical manufacturers, swimming baths and ship- and boatyards by the sea.Industrial areas and coastal areas with moderate salt impact.
C5-IVery high –
Industry
Buildings or areas with almost permanent condensation and with high pollution.Industrial areas with high humidity and aggressive atmosphere.
C5-MVery highBuildings or areas with almost permanent condensation and with high pollution.Coast and offshore areas with high salt content.

At the Unit One work space, it has been decided that class C4 offers sufficient protection for products produced and used. This means that from now on, all fastenings must offer class C4 corrosion protection or better.

This weblog post was updated 2021/12/21. to eliminate Needs from the title. This post formed part of a Needs, Seeds and Weeds website that belonged to my daughter, Shelagh. In addition, other things are also out of date, or my opinions have changed. Apart from the title, updating the text to a block format and other minor formatting changes, the text above this paragraph remains as it was before. Any significant content changes are found below this paragraph.

Workshop Core Values

Even the most notorious motorcycle gang has a set of core values that is hung on the wall near their club house entrance, for all to see and follow. The same applies to the Unit One work space.

Mission Statement

By appointment to the citizens of Ginnunga Gap, the Unit One work space is a supplier of a work area equipped with tools and machines, and helpful people with insight, skill and knowledge, all organized to transform individual and collective visions into practical products that make the world a better place.

Core Values

Work at Unit One is comprehensive. It involves using one’s brain, as well as one’s body. Creativity finds expression through mental and physical work processes.

In terms of health, safety and the environment, the work space is equipped with fire fighting and first aid equipment, bright lighting and air purification equipment. Workers are expected to use protective equipment including, but not restricted to, ear plugs, gloves, respirators, safety glasses, safety shoes and comfortable workwear.

Researching and developing useful and environmentally friendly products and services is an essential part of the work space experience.

Training is an ongoing activity. Almost all tools require a safety checkout or training to ensure that all users have the necessary skills.

Products and services require documentation. These may take the form of technical drawings, written notes as well as videos. Everything made in the workshop shall be open source design.

Power to the workshop is provided by renewable energy.

Material used in the workshop are organically or technically recyclable, using cradle to cradle principles.

Socially useful products and services are to be made in the workshop.

Getting started …

with workshop activism.

wooden spatula

This post is especially for three ladies who have been subjected to lofty ideas about making geodesic dome greenhouses, when all they really wanted was to learn how to make a wooden spatula.

Minni, the minimalist maker from Finland, shows them how to do it in a three minute video: https://www.youtube.com/watch?v=sZZtGSctCUw

MATERIALS: Wood (Minni uses alder), painter’s tape

TOOLS: Pen, spatula template, band saw, belt sander, sandpaper

USEFUL TIPS: After sanding, wet the spatula to raise the wood grain. Let dry, and sand again. This makes the surface very smooth.

SAFETY NOTES: Safety first! Always be careful with dangerous tools and make sure you know how to use them correctly.

MUSIC BY Henbrix

Here is the spatula template from her website: https://theminimalistmaker.com/shop/7k7o6c3lkngpjisbi7cyc0e41xg9vt

The Unit One work space has a band saw as well as a belt sander. There is an alder tree on the property, but it is too young and small to be used to make spatulas.

Immoral consumption

 

“Human beings and the natural world are on a collision course. Human activities inflict harsh and often irreversible damage on the environment and on critical resources. If not checked, many of our current practices put at serious risk the future that we wish for human society and the plant and animal kingdoms, and may so alter the living world that it will be unable to sustain life in the manner that we know. Fundamental changes are urgent if we are to avoid the collision our present course will bring about.” World Scientists’ Warning to Humanity, penned by Henry Kendall, former chair of the Union of Concerned Scientist’s board of directors, November 1992.

An attempt has been made to measure “human demand on nature” resource usage in terms of an ecological footprint, expressed in global hectares per capita. This concept was developed by Mathis Wackernagel and William Rees.

Bluntly stated, when the ecological footprint of a human population exceeds the carrying capacity, the result is overpopulation.

According to Rees, in his 29 minute long video, Warning To the People of Earth, a sustainable per capital ecological footprint is about 2 gha, which is where we find countries like Cuba.

Immoral consumption occurs in countries of the world that have an ecological footprint that significantly exceeds 2 gha.

Obscene consumption occurs in countries of the world that have an ecological footprint that significantly exceeds 2 gha, and have a significant biocapacity deficit.

Here are a five countries with data about them:

Eco footprint Biocapacity Deficit (-) / reserve (+)
USA 8.22 3.76 – 4.46
Canada 8.17 16.01 + 7.83
Ireland 5.57 3.73 – 1.83
Norway 4.98 8.18 + 3.19
Cuba 1.95 0.76 – 1.19

USA, Canada, Ireland and Norway all have immoral levels of consumption. In addition, USA and Ireland’s consumption levels are obscene. Cuba has an acceptable level of consumption, but even this low level exceeds the country’s biocapacity. It will either have to export a surplus population, or import goods from countries with reserve capacity.

Note: It is not that easy for individuals living in these countries to do something alone. Over consumption is a systemic problem, not an individual one.

Some reference materials

Rees, W. E. (October 1992). “Ecological footprints and appropriated carrying capacity: what urban economics leaves out”. Environment and Urbanisation. 4 (2): 121–130. doi:10.1177/095624789200400212.

Rees, W. E. and M. Wackernagel (1994) Ecological footprints and appropriated carrying capacity: Measuring the natural capital requirements of the human economy, in Jansson, A. et al.. Investing in Natural Capital: The Ecological Economics Approach to Sustainability. Washington D.C.:Island Press. ISBN1-55963-316-6

Wackernagel, M. (1994). Ecological Footprint and Appropriated Carrying Capacity: A Tool for Planning Toward Sustainability (PDF) (PhD thesis). Vancouver, Canada: School of Community and Regional Planning. The University of British Columbia. OCLC 41839429.

Wackernagel, M. and W. Rees. 1996. Our Ecological Footprint: Reducing Human Impact on the Earth. Gabriola Island, BC: New Society Publishers. ISBN 0-86571-312-X.

World Scientists’ Warning to Humanity (November 1992): https://www.ucsusa.org/sites/default/files/attach/2017/11/World%20Scientists%27%20Warning%20to%20Humanity%201992.pdf

To mark the 25th anniversary of this original notice, a second notice has been recently issued 13 November 2017, which intensifies the urgency of the first: https://academic.oup.com/bioscience/article/67/12/1026/4605229

 

Peace, Equality, Integrity & Simplicity

There are four important traditions within the Society of Friends, or Quakers as they will be referred to here, that promote spiritual life. The first is the testimony of peace; the second, the testimony of equality ; the third, the testimony of truth or integrity; the fourth, the testimony of simplicity.

My religious path involves three and a half stages. First, was a childhood, where I was brought up in a methodist tradition in the United Church of Canada. I left that as a young adult because I could not accept the concept of the trinity, and became a Unitarian. This was followed by a half stage where I investigated the Quakers, before becoming a member of the Baha’i Faith.

Much of the appeal of the Quakers was their testimonies. These emphasized that one’s spiritual life and character is more important than anything else. The focus was not the next world, but the current world. It implies that resources, including money and time, should be used to make life truly better for everyone.

The main reason I never became a Quaker, is because I had reservations about some aspects of these testimonies. As an example, some Quaker groups forbid drama because it involves the assumption of non-truthful roles. For me, this was one step too far.

Quaker usage of the term testify is often misunderstood. It is a commitment to action, in which spiritual ideals require a physical expression. Integrity requires personal wholeness, consistency, honesty and fair dealings. It necessitates not only telling the truth, but also the avoidance of statements that are technically true but misleading.

The testimony of peace requires committed action to promote peace, to refrain from violence, to actively oppose participation in war. Most Quakers are conscientious objectors, and refuse to carry or use any form of weapon. Many Quakers refuse to pay that share of taxes that goes to the military.

The testimony of peace can be broadened to include what is referred to as active non-violence: protests and demonstrations in opposition to government policies of war. Some confront others who bear arms. Restorative justice can also be part of Quaker peace testimony, while only a minority include vegetarianism.

The British Friends Service Council and the American Friends Service Committee were awarded the Nobel Peace Prize in 1947 for their work to relieve suffering and feed many millions of starving people during and after both world wars.

The testimony of equality involved equality of the sexes and equality of races. It encouraged the women’s suffrage movement and the anti-slavery movement. Yet, there were other areas where equality applied, especially the humane treatment of the mentally ill, and of prisoners.

In their relationships with others, words and actions had to flow from beliefs. This meant not only speaking the truth, even when it was difficult, to use grace and tact to say difficult things, but also to receive difficult messages gracefully.

Quakers took responsibility for their actions. They fulfilled their commitments, such as taking care of people and things entrusted to their care. They learned to assess people and situations fairly and accurately, but also guarded their reputation for honesty, fairness and fidelity. They were noted for their openness to the ideas of others, and for giving credit to others for contributions. At the same time, they avoided being swayed too easily. They were expected to confront lapses in the integrity of themselves and others.

In terms of economics, the testimony of integrity had many implications. Not only did people have to be paid fair wages for their work, but employers had to be given the right amount of labor for pay received. Quaker businessmen operated with fixed but fair prices to avoid haggling. Similarly, debt financing was avoided to prevent people from spending beyond their means.

They assiduously avoided class distinction by refusing to use honorific titles and by using familiar forms of thee and thou, instead of the respectful you. Mr, Mrs, Miss, Dr are avoided. Instead children and adults address people using only the first or both first and last names without a title. They use the term friend rather than sir or madam with someone whose name they do not know. In writing, this becomes Dear Friend instead of Dear Sir or Madam. Letters typically end with yours in truth or yours in friendship.

In the Testimony of Simplicity, there are three areas where this is most pronounced: dress, speech and material possessions.

The Quaker dress code varies today. Avoiding extremes, one would not be out of place at many Quaker meetings wearing generic, dull coloured work wear, without any form of jewelery or cosmetics. In terms of body fashion, piercings, tattoos and hair colour would be avoided.

Plainness in speech, naturally, had to address issues already noted in the other testimonies. In its early years, especially, the vestiges of paganism concerned many Quakers, especially because the names of the days and months referred to Roman or Norse gods or Roman emperors. This resulted in referring to both the days of the week and the months of the year by number.

Quakers often limited possessions to what they needed, rather than accumulating luxuries. It is not the goods themselves, but one’s attitude towards them that is important. There have been many wealthy Quakers, who have used their wealth for spiritual purposes, including helping the poor and oppressed. Others found their wealth a spiritual burden, and gave it away. Three of the largest chocolate manufacturing companies in the world – Cadbury, Roundtree and Fry – were started by Quakers.

Even in death, simplicity is important. A Quaker grave marking will ideally be a simple and low-lying stone.

Despite being only a half-stage in my spiritual development, many of my fundamental beliefs originate in reflecting on Quaker values. This reflection resulted a rejection of some values, but an acceptance of others.