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...care in their use, but many accidents also result from perfectly normal use of things such as cookers, heaters and even furniture. Of course, many domestic accidents involve young children, or elderly or infirm people; relatively young, healthy adults are less accident-prone. But surely designers realise that not everyone is a young, healthy adult? [Figure 3] Figure 3...

...adults; or a proportion: the proportion of children in the village population is a quarter. This OpenLearn course provides a sample of level 1 study in Mathematics...Ratio, proportion and percentages: Learning outcomes - After studying this course, you should be able to: with simple ratios convert between fractions, decimals and percentages explain the meaning of ratio,...

...caring how others feel are key to creating a positive working environment amongst a group. Behaviours such as self-obsession, self-assertion and self-preservation at the expense of others, can all lead to negative group experiences. This story of behaviours relates to the narrative method for the story, which is to draw a distinction between our solitary lives (M World)...

...careful control of production parameters this can be reduced to 1–2°. Surface finish is usually in the range Ra = 1.6–3.2 µm but values Ra = 0.8 µm can be achieved. Smooth, burr-free cuts, free from contamination are produced although “dross” firmly attached to the underside of the cut can sometimes be a problem. Positional tolerances for hole and slot piercing...

...Careful design enables porosity to be “manipulated” to the least critical regions. External undercuts are possible. Complex internal shapes possible using disposable cores. Blind and through holes easy to incorporate; lateral holes by means of retractable cores. Tolerances of 0.2 mm 100 mm-1 possible before heat treatment. Wider tolerances advisable to allow for...