The product has high light transmittance while it block out harmful lights. The light transmittance is up to 93%. With the special formula added to the products, it can shield the harmful light effectively. Many factories use the robotic arms to assist producing in the ground working field. It is still necessary to have some staffs observe the procedure of production. The first priority is the safety of the working staffs. With the high quality product, its anti-shatter performance gives the safest working situation for whoever needs it.