单项选择题
A.Heat-resistant gloves B.Rubber gloves C.PVC gloves D.Leather gloves
（）should generally be used when handing rough or sharp ...
单项选择题（）should generally be used when handing rough or sharp objects.
A.Heat-resistant B.Rubber gloves C.PVC gloves D.Leather gloves
Long hair should always be covered by（）when working wit...
单项选择题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
Which of the following equipment is for protection agai...
单项选择题Which of the following equipment is for protection against hypothermia?（）
A.Safety helmets B.Buoyancy aids C.Breathing apparatus D.Immersion suits
