In comparison to flat surfaces, even easy steel gratings, serrated gratings make workers or pedestrians safer. Even in rain or high winds the serration supplies a foothold for footwear, and serrated steel grating is usually referred to as anti-slip grating. Dalam industri fashionable yang sangat beragam, steel grating membuktikan diri https://www.agroindustrisurabaya.com/2017/04/steel-grating-surabaya.html