custom manufacturing of racking systems, custom manufacturing of masking products, namely custom pre-cut masking tape, custom molded rubber caps and plugs to mask holes, and extruded rubber tubing used to protect cylindrical surfaces, all for use in high-temperature powder-coating, e-coating, plating, anodizing, and spray painting; custom manufacturing of original-equipment manufacturer parts, consisting of metal tubing, grommets, and specially-manufactured vinyl, plastic, metal, and rubber c...