Method of manufacture
Could be produced as everyone grating type, as electrowelded, as pressed and manual grating. In case of electrowelded grating step , the bearing bars and separating bars will be joined by welding, without adding welding material and pressure concentrated on the joints. In the case of pressed grating step, bearing bars and separated bars will be joined by mechanical pressure, and for manual grating kind will be joined by fitting both together without pressure and welding reinforcement in alternating joints.