游泳者游泳（入池）前应先行淋浴、浸脚消毒；
The swimmer swim to should take a shower bath, immerse feet in advance ago;
前人曾在矿山进行过工业规模的堆浸和池浸，均未达到预想效果，主要原因是未能解决好矿堆浸透性问题。
Heap leaching and pond leaching in industrial scale had been done, but expected effect was not gotten. The major reason is that the soaked problem of ore heap couldn't be solved.
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