一台设备只需一人每天可加工钢筋8吨左右，可以代替20 - 30名钢筋工人同时作业。

A device only needs one worker, daily processing 8 tons of steel, can replace 20-30 workers.

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弄断每根钢筋需要三个工人(一个人拿着钢筋抵在石头上，一个人敲击，一个人在旁边看着)，这个过程需要两分钟。

Cutting each piece takes three workers (one holding the re-bar being cut in place over a rock, one hitting, one watching) two minutes.

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隔壁正在兴建的公寓，一群建筑工人正在切割修建地基所用的钢筋，不过是用一把小铁锤不断地锤打，直到钢筋断裂。

It is the sound of workers cutting through all of the re-bar to pour the foundation for the apartment house being built next door but striking it with a small hammer, repeatedly, until it breaks.

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