Electrical installation services; Vehicle repair, maintenance, refueling and recharging; Replacement of batteries; Advisory services relating to the maintenance and repair of mechanical and electrical equipment; Providing information relating to the repair or maintenance of electric motors; Providing information relating to the repair or maintenance of power generators; Information on the maintenance of measuring and test equipment; Electric appliance installation and repair; Installation of electric and electronic equipment in automobiles; Installation of power generating apparatus; Machinery installation, maintenance and repair; Repair or maintenance of power distribution or control machines and apparatus; Repair or maintenance of measuring machines and instruments; Repair or maintenance of power generators; Repair or maintenance of integrated circuits manufacturing machines and systems