Grating plate biasanya memiliki permukaan bergerigi atau bertalang untuk meningkatkan daya cengkram dan mengurangi risiko selip. British Standards stipulate that the height difference between the two sections of flooring joined together needs to be no more than 4mm, or any gap amongst 2 sections should be no greater than 20mm. https://steelgratingsurabaya47912.ziblogs.com/29894190/the-greatest-guide-to-jual-grating-galvanis-surabaya