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單項(xiàng)選擇題

（）should generally be used when handing rough or sharp objects.

A.Heat-resistant
B.Rubber gloves
C.PVC gloves
D.Leather gloves

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單項(xiàng)選擇題

Long hair should always be covered by（）when working with or near moving machinery.

A.a helment
B.safety cap
C.an ear plug
D.face mask

單項(xiàng)選擇題

Which of the following equipment is for protection against hypothermia?（）

A.Safety helmets
B.Buoyancy aids
C.Breathing apparatus
D.Immersion suits