6 metal spacer brackets; stuffing tubes, namely, metal parts used to pass wires through water-tight bulkheads without damaging the integrity of the water-tight bulkheads; pipe hangers, namely, metal structures used to support pipes mounted to ceilings, floors, and walls in marine environments and industrial environments; ventilation supports, namely, metal structures used to support ventilation ducts, fans, and equipment to ceilings, floors, and walls in marine environments and industrial environments; metal cable trays used in building construction, marine environments, and industrial environments; cable racks, namely, metal parts used to organize the routing of wires and cables along ceilings, floors, and walls; EMI bonding hardware, namely metal hardware used to minimize the impact of electro-magnetic interference by creating a path for energy to flow through