单项选择题
Which of the following is not a recommended safe practice?（）
A.Securing equipment against slipping or drifting B.Operating machinery at its recommended speed C.Repairing loose handles on tools before using D.Using tools for purpose for which they are not designed
单项选择题 When required to work where there may be explosive gases, you should use tools which are （）
单项选择题 Prior to entering a cargo pump room, you should ensure that （）.
单项选择题 Personnel who are moving or handling material aboard ship should NOT follow which of the listed practices?（）
