The air shower also works as an air break, keeping unclean air away from the clean area.

风淋室又可起到气闸的作用，阻止未经净化的空气进入洁净区域。

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An air shower is mainly installed between a clean room and a non-clean room. People and cargos have to get a shower before entering into the clean area.

风淋室主要安装于洁净室与非洁净室之间，当人或货物进入洁净区时首先须经过风淋室吹淋。

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The clean air from the air shower can remove the dust carried by the people and the cargos, which prevents dust source from getting into the clean area.

其吹出的洁净空气，可去除人与货物所携带的尘埃，有效地阻断或减少尘源进入洁净区。

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"Bring It On" organizes environmental "jams" to clean up waste in the area.

VOA: special.2009.07.31

You know, if you were to go into the Chelsea area, that's a really new and kind of a clean area.

如果你前往切尔西地区，(你会发现)那儿真是个崭新而干净的区域。

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Or if someone makes a mess in a, in a common area, they are expected to clean up that mess.

如果有人把公用区域弄脏了，那他就要负责打扫干净。

有趣的室友们 - SpeakingMax英语口语达人

"This is a pretty, relatively clean area, " Leggett says during a waterside stroll in Norfolk.

CNN: King: Waterman finds Chesapeake Bay 'dying daily'

Officials formally declared an end to the oil spill disaster on September 19, though considerable efforts remained to clean up area waters and revive wildlife affected by the spill.

CNN: STORY HIGHLIGHTS

Residents of a Swansea community say they are "fighting back" to keep their area clean of dog mess.

BBC: Dog mess