1
Chemicals for use in the manufacture of building materials, namely, foaming agents, water repellent agents, plasticizers, chemical preparations to prevent mildew, air-entraining agents, caustics for industrial purpose, carbon black for industrial purposes, collodion by industrial purposes, glue for the building material industry, ungluing preparations except for wallpapers and paints, water-resisting agents, fire-proofing preparations, anti-aging agents, water-treatment chemical preparations, moisture proofing agents, soil stabilizers, brickwork preservatives except paints and oils, heat insulating agents, anti-freezing agents, chemical reagents for non-medical purposes, damp-proofing preparations for masonry except paints, masonry preservatives except paints and oils, cement quick hardening agents, cement-waterproofing preparations except paints, cement preservatives except paints and oils, filtering chemical preparations, anti-incrustants, solvents, opacifiers for glass, glass staining chemicals, flocculants, condensation preventing chemicals, extenders, anti-static coating preparations, anti-sedimentation agents, concrete preservatives except paint and oils, concrete-aeration chemicals, aalutinants for concrete, preservatives for tiles except paints and oils, preparations for use in the manufacture of cement and concrete for building purposes, admixtures for cement, admixtures for concrete, admixtures for mortar, sealing agents, and PUR foams in cans, grout, mortars, limestone, render, waterproofing chemical compositions for articles of masonry, wood and other building and construction surfaces
7
Construction machines and machine tools, namely, road making machines, concrete mixers, cranes in place, metal working machines, woodworking machines, pumps for concrete and conveyor belts
37
Building construction