About grating steel galvanized
Rectangular steel bar stair treads supply a large strength and stiffness-to-weight ratio and can be found with a serrated surface when additional safety is required.Beton landasan steel grating (bagian kanan dan kiri) harus rata atau sama tinggi. Bagian bawah steel grating diusahakan menempel secara sempurna dengan landasan bawah.Permukaan bergerig