Compared with ordinary doors, revolving doors have the advantages of high-end, style and good air tightness. They are very common in shopping malls, hotels, large office buildings, etc. However, due to the characteristics of revolving doors, careless use can cause danger. Every year, tragic injuries and even deaths occur due to revolving doors. How to use it safely? Tell your relatives and friends~~~
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Source: Xinhua News Agency Xinhua News Agency, Beijing, February 4th. Pompeo, who was named \”the worst State in History\” in the United States, has a new place after h…
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Two-way turning gate is a control facility used to close and open water channels. It is the most commonly used in our water conservancy projects. So what is it like? Today we will …
In order to prevent takeaway vehicles, shared bicycles and outsiders from entering at will, many communities have designed their entrances and exits as anti-tailgating revolving do…
铁栅栏上是崭新的油漆，门口有华丽的仿中世纪装饰，还有木制的大风车，房子里里外外都是彩色的，壁画明亮而艳丽，桌子上有鲜花，只有制服是黑色的。 2000年至2002年间，比利时摄影师Carl De Keyzer在西伯利亚克拉斯诺亚尔斯克周边的50个监狱拍摄了他的项目“Zona”。在后苏联时代，他是第一个拍摄过这么多俄罗斯监狱的人。 这些监狱以前都是“古拉格”（G…
