life-risky. So, what would you do at this circumstanbsp;Who knows (如果上部四分之一的链齿切入木头、但无法锯断木头时，链条就没法继续运动。这时，锯条就会朝你跳起，这就是后弹rdquo;，会有生命危险。那么，遇到这种情况怎么办？谁知道？)
工人甲：Drop the saw and run. (丢下锯逃跑。)
鲍勃摇头：No, you wonrsquo;t have a bsp;The only way to save yourself is holding the handle even more tightly. Actually, you should hold the handle as tightly as possible all the time during you work. Got that (不，你没有机会跑。唯一能救你自己的办法，是死死地握紧手柄。实际上，在工作的全过程，你们都要尽力握牢手柄。记住了没有？)
众工人：Yeah. (记住了。)
亚当斯朝围