food disposers, cuplinks, instant hot water dispensers, toilet accessories namely toilets, bidets, bathtubs, grab bars, towel bars, robe hooks, toilet tissue holders, soap dishes, tooth brush and tumbler holders, tissue box holders, waste baskets, lotion dispensers, tumblers and sinks, corporate brass, valves, brass nipples, pipe hangers and fasteners; operation of a business dealing in the retail sale, installation and repair of plumbing, heating and luxury bath products, tools and fixtures and electrical apparatus; humidifiers, and parts therefor; plumbing parts, namely, faucet repair parts, closet repair parts, closet seats, screws, bolts, and other fasteners, pipe fittings (plastic, iron, copper), packings for putting pipes together and prevent leaking, solder for attaching pipes together, tubular products namely P-traps and sink drainage piping, connectors, sand cloth for cleaning pipes, pastes to attach pipes to fittings, fluxes for use with solder, dopes for attaching pipes, sealers for sealing pipes, brushes, chrome fittings, water softeners and parts therefor, stops and valves, shower fittings, drains and cleaning products for use in toilet tanks and plastic water heaters and furnaces