INSTALLATION AND SPLICING OF MACHINE BELTING; AND SALE, INSTALLATION, CUSTOM DESIGNING, SERVICE AND SPLICING OF FLAT BELTING INCLUDING BELTING HAVING FLANGES, CLEATS AND V-GUIDES THEREON, V-BELTS INCLUDING ADJUSTABLE V-BELTS, MACHINE TAPES, MACHINE BELTS AND BELT LACING; AND INSTALLATION AND SERVICING OF IDLER COVERS, SHEET RUBBER, WIPER RUBBER, STEEL-BACKED RUBBER SHEET, PULLEY TRACKS AND BEDS, CONVEYOR PULLEYS AND SELF-CENTERING PULLEYS