This paper Points out possibility of electric shock due to low - temperature Hot Water Floor Radiant Heating Applied in Toilet, the reason is analysed and solution is also presented.

指出了卫生间采用低温热水地板辐射供暖系统，存在可能导致电击事故的隐患，分析了其产生的原因，给出了解决办法。

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Although they have insulation layer, but if the temperature is too low, it may be in the pipes freeze water, water becomes ice volume increases, is likely to be the pipe donglie.

虽然它们有保温层，但如果温度过低，也可能将管子里的水冻上，水变成冰体积增大，很有可能将管子冻裂。

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Cleaning work should be in the early morning or evening sunshine is not strong, the temperature is low, in order to prevent the transparent cover by cold water.

清洗工作应在清晨或傍晚日照不强、气温较低时进行，以防止透明盖板被冷水激碎。

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And then at his restaurant, Tremont 647, he turns around and serves tasting menus of dishes like "smoke-vide" beef ribs a preparation that combines smoking with the sous-vide method of cooking vacuum-sealed food in a low-temperature water bath and smoked duck-confit po'boys.

WSJ: The New Barbecue