Machines and machine tools for cutting, polishing, sawing, mining, drilling and lapping; machine and machine tool structural parts set with diamond, namely, cutting blades or inserts, drill bits, abrasive wheels and discs, compacts, cutting tips, wires and wire drawing dies; machine and machine tools, picks and drums for preparing asphalt and concrete roads for resurfacing; machine and machine tool structural parts set with diamond compounds, namely, cutting blades or inserts, drill bits, abrasive wheels and discs, compacts, cutting tips, wires and wire drawing dies; machine and machine tool structural parts being diamond coated including cutting blades or inserts, drill bits, abrasive wheels and discs, compacts, cutting tips, wires and wire drawing dies; sets of tools for machines and machine tools for cutting, polishing, sawing, mining, drilling, and lapping; road milling tools, namely, tools and picks for road milling machines, tools and picks for pavement planing machines, tools and picks for pavement milling machines, tools and picks for road construction machines, tools and picks for machines for removing bituminous asphalt layers, both hot rolled and mastic-applied, and tools and picks for machines for removing concrete and structural parts therefore; road construction machines and structural parts therefore; mechanically operated drilling tools and parts therefore, namely, drilling tools for rock drilling machines, drilling tools for augers; cutters for rock drilling bits, namely, drag bits; machines and machine tools for mining; tunneling machines and machine tools; structural parts for all the aforesaid goods; compacts, namely, polycrystalline diamond compact (PCD) cutters for rock drilling bits and drag bits for drilling machines; none of the aforesaid relating to equipment, apparatuses or devices for crushing, pulverizing or grinding ash or coal, handling ash, dust or material particles, or for cleaning boilers, furnaces, heat exchangers or the like, and parts and fittings therefor