Chemicals used in industry [ and science; chemical preparations for use in photography; Chemicals for use in agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering preparations; tempering chemicals for use in soldering; chemical substances for preserving foodstuffs; tanning agents for use in the manufacture of leather; adhesives used in industry ]

[ Machines and ] machine tools, namely, [ floor and wall grinders and sanders, vacuum cleaners, ] polishers; grinding, cleaning and polishing tools and discs; [ floor conditioning machines and devices, namely, trowellers, scrubbers, auto-scrubbers, floor buffers; ] equipment [ and appliances ] for floor conditioning machines and devices, namely, grinding, cleaning and polishing pads, washing, polishing and waxing disks, diamond grinding pads, diamond polishing pads, diamond disks; [ power operated grinding wheels; ] sanding pads for power operated sanders

[ Building construction and repair; installation services of building scaffolds, working and building platforms; maintenance and repair of buildings, namely, treatment of wood, plastic, painted and stone surfaces in buildings; maintenance and repair of textile surfaces in buildings, namely, treating substances for floors and walls made of stone and concrete in buildings ]