In the end, a welder, hired precisely because he was inexperienced and therefore cheap, accidentally dropped his torch, which set off the fire.
最后，就雇佣了因无经验而工价便宜的焊工，焊工意外地掉了焊枪，引发大火。
The current set will significantly shorten the life of welding, or even burned welder.
电流过载将会明显缩短焊机的使用寿命，甚至可能烧毁焊机。
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