这里有一块普通的抛光砖，和一块超洁亮抛光砖。

Here we have one common polished tile, one Pure Bright polished tile.

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超洁系统会提醒他们擦拭双手——并且把不按照规定洗手的人记录在案。

The HyGreen system reminds them to scrub—and keeps a record of who doesn’t.

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在佛罗里达大学医疗中心进行的为期五个月的超洁试用过程中，感染率降低到零。

During a five-month field test of HyGreen at the University of Florida's medical center, infection rates dropped to zero.

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