Steel bar grating has two area variety: serrated floor and sleek floor. Serrated steel grating is crafted from serrated steel bars, that may be small carbon steel bars, aluminum steel bars and stainless steel bars. Pemasangan steel grating biasanya dilakukan pada saluran air di space terbuka, seperti jalan raya dan https://jualsteelgrating49360.bloginder.com/30351013/fascination-about-grating-steel-galvanized