WARNING: the Floormen should always be aware of the tremendous force that can be applied and that the tongs could fly off suddenly, causing serious injury or fatality.
警告：钻工应该随时注意巨大的拉力会造成大钳突然飞出而造成严重的人员伤害或死亡。
WARNING: the Floormen should always be aware of the tremendous force that can be applied and that the tongs could fly off suddenly, causing serious injury or fatality.
警告：钻工应该随时注意巨大的拉力会造成大钳突然飞出而造成严重的人员伤害或死亡。
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