7 Machines and machine tools for quarrying, mining, boring, tunnelling, construction and demolition, namely, top hammer rotary percussive drills, trenchers and hydraulic breakers; Rock drilling machinery, namely, top hammer rotary percussive drills; Parts for machine tools, namely, drill bits, button bits and cross bits, drill rods, extension drill rods, reamers and shank adaptors; machine couplings; all for rock drilling machines; Heavy duty demolition machinery, namely, hydraulic breakers; Machine tools with chisel, point and blunt working ends, namely, rammers, pile drivers, machine couplings, all for heavy duty demolition machines; Powered operated hand-held demolition and construction machinery, namely, mechanically powered hammers, pick hammers, chipping hammers, concrete breakers and clay diggers; Pneumatic, hydraulic and electrically powered hammer moil points and chisels; asphalt cutters, tarmacadam cutters; clay spades; machine couplings; all for machine powered hand-held demolition and construction machines; Parts and fittings for all the aforesaid goods