Buffing and polishing; Burnishing, not by abrasion; Machinery installation, maintenance and repair; Machinery maintenance and repair; Mechanic services; Repair of metalworking machines and apparatus; Repair or maintenance of chemical processing machines and apparatus; Repair or maintenance of integrated circuits manufacturing machines and systems; Repair or maintenance of semiconductor manufacturing machines and systems

Components for machines and machine tools, grinding machines, material handling machines, food processing machines, chemistry processing machines and textile industry machines, namely, sand, chemical and reverse osmosis filters; Grinding and polishing machines; Grinding machines for metalworking; IC handlers, namely, machines for processing integrated circuits; Lapping machines for metalworking; Machine parts, namely, polishing discs for floor polishing machines; Machine tools, namely, powere...