... paints,plastics,copper,aluminum,zinc,tin,power,synthetic materials,Phosphide layer,Lead,tin,cadmium,ceramic oxide, Covering layer) on steel,iron,alloy ... paint, plastic powder,synthetic materials,anodic-oxide layer on copper,aluminum,zinc,tin,non-magnetic stainless steel,gold and silver. ... accessories, not standard delivery.If need it in addition,10 meters and100 meters distance can both be chosen.Please ...