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  3.2 Design For Adjustable Range

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Certain features of equipment or facilities can be designed so they can be adjusted to the individuals who use them.

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From the 5th percentile female to the 95th percentile male of the relevant population characteristic.

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It is especially relevant if there could be technical problems in trying to accommodate the very extreme cases.

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An adjustable range is the preferred method of design, but of course, it is not always possible.

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NOTES:

Using a range from the 5th percentile female to 95th percentile male will result in accommodating 95 percent of a 50/50 male/female population, not 90 percent, because of the overlap between male and female body dimensions.

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4/5

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