Kebanyakan steel grating memiliki permukaan bergerigi atau bertalang, yang membantu mencegah selip dan meningkatkan daya cengkram. British Criteria stipulate that the height distinction between the two sections of flooring joined together needs to be no more than 4mm, or any gap involving two sections should be no greater than 20mm. https://zanevgmwy.bloggin-ads.com/53211705/jual-steel-grating-an-overview