commercial and industrial electrical and scientific apparatus, namely, electric conductor guards and structural parts therefor used with electrical lighting apparatus; electric or electronic controls for controlling power to heavy industrial and laboratory equipment; electric or electronic controls for installation of convection and/or infra-red electric heaters, ovens and furnaces, and structural replacement parts thereof

commercial and industrial environment control apparatus, namely, electric lamps; lighting fixtures for localized work areas and displays; [ accent lighting equipment, namely, ] machine tool lights, portable utility lights and dock lights; light shades for protecting against glare; light guards for protecting lights; portable electric comfort heaters and electric space heaters; infrared lamps for use in poultry brooders; non-laboratory, convection and infra-red radiating electric ovens for heating, curing, and drying processes, and controls therefor, sold as a unit; electric oven for paint and powder curing, baking and drying, automotive refinishing, water removing, water dryoff, thermal degreasing, soldering, brazing, pre-heating, adhesive drying, frit drying, porcelainizing, plastic curing, textile drying and curing, print drying, heat setting, coating and thread drying, drying printed and flocked fabrics, carpet drying nonwovens, curing and drying paper felts, pre-drying, wood drying and curing; container sterilizers not for medical or laboratory purposes; electric and gas ovens for cooking, baking, broiling, toasting, drying and reheating and structural replacement parts therefor; brackets specially adapted for mounting electric lighting [ ; adjustable electric lamp supports, namely, lamp bases ]