单选题A life preserver or buoyant work vest is required to be worn on a ship when a person is （）.Aworking on the rig floorBworking over waterCworking on the pipe racksDoperating line throwing equipment
单选题
A life preserver or buoyant work vest is required to be worn on a ship when a person is （）.
A
working on the rig floor
B
working over water
C
working on the pipe racks
D
operating line throwing equipment
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A life preserver or buoyant work vest is required to be worn on a ship when a person is ______.A.working on the rig floorB.working over waterC.working on the pipe racksD.operating line throwing equipment
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If you must jump from a ship，your posture should include ______．A.holding down the life preserver against the chest with one arm crossing the other，covering the mouth and nose with a hand，and feet togetherB.knees bent and held close to the body with both arms around legsC.body straight and arms held tightly at the sides for feet first entry into the waterD.both hands holding the life preserver below the chin，with knees bent，and legs crossed
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The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of ______．A.One approved flotation cushion for each person on boardB.One approved life preserver for each person on board and one life ringC.One approved inflatable vest for each person on boardD.Lifeboat capacity equal to 1 1/2 times the number of persons on board
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