It is permitted for purification workshop to use ordinary floor drain.

净化车间绝对不允许采用普通的排污地漏.

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Set the location of the bathroom floor drain must first think well, good size amount.

定卫生间地漏的位置时一定要先想好, 量好尺寸.

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Terminate discharge approximately 12 " above the ground or air gap piped to a floor drain. "

排泄管道的终端开口必须靠近地漏或其他不会堵塞或冻结的地方.

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