Personnel who are moving or handling material aboard ship should NOT follow which of the listed practices?

A．Signaling that all personnel are clear before lifting or lowering material

B．Examining material for sharp edges or protruding points before handling

C．Closing, tagging or securing valves that permit entrance of steam, water, or air into a fitting or other equipment

D．Throwing materials from high places to the deck

[单选题]对人畜检测军团菌抗体，WHO推荐的经典的方法为A．ELISAB．IFAC．MATD．DFAE．TAT

[单选题]ADSS光缆的MAT为（）。A . 额定抗拉强度B . 最大允许使用张力C . 年平均运行张力D . 极限运行张力

[单选题]The strategies for handling risk comprise of two main types: negative risks, and positive risks. The goal Of the plan is to minimize threats and maximize opportunities. When dealing with negative risks，there are three main response strategies______，T

[单选题]The strategies for handling risk comprise of two main types: negative risks, and positive risks. The goal ofthe plan is to minimize threats and maximize opportunities. When dealing with negative risks, there are three main response strategies（）,rrans

[主观题]We’ll meet next Thursday ______ this matter in detail.

[试题]H．ow to fill in Oily Handling Logbook?

[试题]What is the best approach for handling ERP source data?从ERP源系统中抽取数据最好的方法是什么？

[名词解释] 英译中：Handling/carrying

[单选题]50kg/mAT钢轨高度为（）。A .152mmB .128mmC .176mmD .132mm

[名词解释] 移动闭塞moving block