Potter Drilling of California uses jets of superheated fluid to break through granite five times faster than traditional techniques, which don't do well against hard rock types.
加利福尼亚的Potter Drilling5次使用过热液体穿透花岗岩，花费时间比传统工业快很多，不过这种工艺在试用硬质岩石时表现不佳。
Medium: suitable for containing solid particles of wear easily medium, recommend using in superheated steam, solvents, liquefied steam, syrup and other easily to grinding fluid.
介质：适合于含固体颗粒的易磨损介质，推荐使用于过热蒸汽、溶剂、液化汽、糖浆及其它易磨流体。
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