1 Chemicals used in industry; chemicals used in mining, tunnelling, seismic surveying, oil exploration, building, civil engineering and construction for sealing explosives into blast holes; chemical compositions for use in mining, tunnelling, seismic surveying, oil exploration, building, civil engineering and construction; artificial and synthetic resins for use in seismic surveying; plastics for use in seismic surveying, namely, polymerization plastics, and unprocessed plastics in all forms; cementitious compounds and other substances and compounds for use in seismic surveying, namely, thermoplastic and thermosetting adhesives and cements; resins, namely, artificial and synthetic resins; resin powders and resinous compounds, namely, unprocessed artificial resins as raw materials in the form of powders, liquids or pastes; chemical sealing grouts, cements, namely, contact cements and synthetic polymer modified resin compound for use in cementitious repairs; cementitious mixtures and compositions made from the aforesaid materials, namely, premixed adhesive foam cements; chemicals, resins, plastics and compounds and substances made therefrom for adding to cementitious mixtures, namely, chemicals for use in the manufacture of cementitious mixtures, artificial and synthetic resins, and unprocessed plastics in all forms; all the aforesaid goods for use in mining, tunnelling, seismic surveying, oil exploration, building, civil engineering and construction