Metal grating is collectively referred to a wide range of fabricated metal products that have essentially identical, parallel or elongated regular spacing. It is strong and durable with an exceptional strength-to-weight ratio and can be easily fabricated to nearly any configuration. It is widely used in various industrial and commercial applications and serves as platforms, walkways, ceilings, floors, stair treads, trench covers and sun shades in factories, building decorations and municipal works.