| http://www.w3.org/ns/prov#value | - In this case, the new environment will appear very dark or black ??? so you need to stop walking and take a few seconds for your eyes to adjust before moving on.???PointersOther tips to prevent injuries include:Use handrails or grab bars in areas where there are stairs or changes in elevation.Use three points of contact when mounting or dismounting equipment, such as one hand, two feet or two hand
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