例1:某厂组装车间木工姚××(男,40岁)于某日上午开工后被指派与参加劳动的干部刘××一齐去起吊一个放置在车间走道上的司机室。姚去工具室领吊具时,工具员给他一个开口处未焊的钢绦绳套铁环,要他拿去焊好再用。姚嫌这个铁环太粗大,丢到地下又找一节圆钢去制作一个小的。这时 Example 1: Woodworker Yao XX (male, 40 years old) at a workshop assembly workshop was appointed to work with cadres Liu XX in the morning on a certain day to hoist a driver’s cab placed on the aisle of the workshop. When Yao goes to the collar of the tool room collar, the toolkeeper gives him an iron ring of steel wire rope that is not welded at the opening, and takes him to welding and reuse. Yao too suspect this iron ring is too thick, dropped underground and find a round to make a small. At this moment