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2. Effects of fatigue on safety - Wikipedia

   en.wikipedia.org/wiki/Effects_of_fatigue_on_safety

   Fatigue can be both physical and mental. Physical fatigue is the inability to continue functioning at the level of one's normal abilities; a person with physical fatigue cannot lift as heavy a box or walk as far as he could if not fatigued. [3] [4] [5] Mental fatigue, on the other hand, rather manifests in sleepiness or slowness. A person with ...

3. Steel-toe boot - Wikipedia

   en.wikipedia.org/wiki/Steel-toe_boot

   A pair of well-worn steel-toe shoes A pair of ISO 20345:2004 compliant S3 safety boots. A steel-toe boot (also known as a safety boot, steel-capped boot, steel toecaps or safety shoe) is a durable boot or shoe that has a protective reinforcement in the toe which protects the foot from falling objects or compression. Safety shoes are effective ...

4. Locomotor effects of shoes - Wikipedia

   en.wikipedia.org/wiki/Locomotor_Effects_of_Shoes

   During gait, high heeled shoes are shown to affect the ankle joint, causing significantly increased plantarflexion. [14] This, in turn, increases the metabolic costs of walking and leads to faster muscle fatigue. Accelerated muscle fatigue may then increase the likelihood of ankle sprains and or falls due to impaired foot and ankle stability. [15]

5. Safety shoes - Wikipedia

   en.wikipedia.org/?title=Safety_shoes&redirect=no

   This page was last edited on 8 February 2015, at 20:44 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

6. PFD allowance - Wikipedia

   en.wikipedia.org/wiki/PFD_allowance

   The fatigue allowance is intended to cover the time that the worker should be given to overcome fatigue due to work related stress and conditions. There are three factors that cause fatigue: (1) physical factors like standing and use of force, (2) mental and cognitive factors like mental strain and eye strain , and (3) environmental and work ...

7. Goodman relation - Wikipedia

   en.wikipedia.org/wiki/Goodman_relation

   The general trend given by the Goodman relation is one of decreasing fatigue life with increasing mean stress for a given level of alternating stress. The relation can be plotted to determine the safe cyclic loading of a part; if the coordinate given by the mean stress and the alternating stress lies under the curve given by the relation, then ...