When put next to flat surfaces, even easy steel gratings, serrated gratings make personnel or pedestrians safer. Even in rain or superior winds the serration gives a foothold for footwear, and serrated steel grating is sometimes generally known as anti-slip grating. Metode penyambungan itu dilakukan dengan tehnik welding disetiap titik https://www.indobajasurabaya.com/steelgrating-42807