1 Chemicals used in industry; glazing putty, spatula putty being glaziers' putty; sealants being chemicals for sealing of surfaces, namely, surface sealants for use in construction, roofing, plumbing, glazing and waterproofing; industrial adhesives for use in filling surface blemishes; chemicals used in industry in the nature of fillers for maintenance and repair used in construction, roofing, plumbing, glazing and waterproofing; adhesives for industrial purposes, namely, for billposting, and for mending broken articles not for medical, household or stationery use; adhesives for construction use; adhesives for paper hanging, and for wall tiles; chemical preparations, namely, sprays, gels, powders to prevent odours, mould, mildew from growing; mould inhibiting chemicals for preventing growth of mold; products for sealing surfaces, brickwork, concrete, other than paints and oils, namely, chemical sealants; water sealant preparations, namely, chemical grout sealants; acrylic monomers for use as sealants, ethyl urethane floor sealants; grout sealants in the nature of chemical preparations