問題詳情
33. Which is not one of instructions for safety precautions described in the working manual?
(A) Keep fuel and flammable material away from fire.
(B) Check for specified tools.
(C) Prohibit unauthorized modifications on safety devices and major components of machineries.
(D) Throw away safety devices.
參考答案
答案：D
統計：A:3,B:1,C:0,D:2,E:0
難度：計算中