Not known Details About grating steel stair
Compound metal grating is produced by combining two varieties of grating and usually involves bar grating and steel plate grating. Bearing bar merupakan plat baja yang melintang beraturan saling berjajar sebagai komposisi utama steel grating. Bearing bar biasa terbuat dari besi baja yang sangat kuat. Welded stair treads are commonly utilized for