单项选择题
To safeguard the operator and other personnel working on or near a hoisting operation which of the following precautions should be observed?（）
A.Keep a load on the hoist until all personnel are finished working
B.Set the load on a movable dolly when transportation may be needed
C.Have one man keep a hand on the load to steady it
D.Insure that the lifting gear capacity is not exceeded
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相关考题
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单项选择题
Which of the actions listed and instituted on your part will have the greatest lasting effect on the crew with respect to safety?（）
A.Posting posters illustrating practices
B.Showing video tapes of actual accidents
C.Incorporating safety practices in daily routine
D.Publishing comprehensive safety rules -
单项选择题
Which of the listed conditions can be considered as the single greatest cause of accidents?（）
A.Speed
B.Excessive knowledge or skill
C.Human error
D.Excitement -
单项选择题
Which of the following must be eliminated to prevent accidents?（）
A.Unsafe actions
B.Orderliness
C.Frequent inspections
D.Good work habit
