Kebanyakan steel grating memiliki permukaan bergerigi atau bertalang, yang membantu mencegah selip dan meningkatkan daya cengkram. British Expectations stipulate that the peak distinction between the two sections of flooring joined jointly needs to be not more than 4mm, or any gap concerning 2 sections should be no greater than 20mm. https://elliotzfkot.popup-blog.com/29292125/the-greatest-guide-to-jual-steel-grating