Crane rental and leasing for construction purposes; Machinery retrofit and conversion services; Maintenance of electronic apparatus; Motor vehicle maintenance and repair; Pump repair; Pump repairing; Rebuilding machines that have been worn or partially destroyed; Rental of bulldozers; Rental of construction and building equipment; Rental of construction equipment; Rental of construction machines and apparatus; Rental of excavators; Electrical repairs and installation of AC and DC motors; Installation, repair and maintenance of condensing apparatus, steam condensers, radiators for motors and engines, air reheaters, boiler tubes; Machinery maintenance and repair; Machinery installation, maintenance and repair; Pump repair and maintenance; Pump repair or maintenance; Rental of truck cranes; Repair and maintenance of smartphones; Repair or maintenance of construction machines and apparatus; Repair or maintenance of semiconductor manufacturing machines and systems; Repair or maintenance of electric motors; Vehicle maintenance; Vehicle maintenance and repair; Vehicle repair and maintenance