When compared to flat surfaces, even smooth steel gratings, serrated gratings make workers or pedestrians safer. Even in rain or higher winds the serration provides a foothold for footwear, and serrated steel grating is usually referred to as anti-slip grating. Beton landasan steel grating (bagian kanan dan kiri) harus rata https://jual-grating-bekas81245.homewikia.com/10862927/a_simple_key_for_grating_steel_galvanized_unveiled