The company has issued its decision: It will give employees the opportunity to purchase additional ____in the company at a discount.
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This agreement is very ____; by being open to various interpretations, it could cause considerable confusion if it is not clarified before being put into effect.
充装气瓶时,以下哪项操作不正确?
A. 检查气瓶内是否有剩余压力
B. 两种气体混装一瓶
C. 注意气瓶的漆色和字样
D. 以上都对
开启气瓶瓶阀时,操作者应该站在什么位置?
A. 侧面
B. 正面
C. 后面
D. 以上都对
特种作业人员经过()合格取得操作许可证者,方可上岗。
A. 专业技术培训考试
B. 文化考试
C. 体能测试
D. 以上都对