Burglar alarm installation and repair; Electric appliance installation and repair; Elevator installation and repair; Film projector repair and maintenance; Furniture maintenance; Installation of doors and windows; Installation, maintenance and repair of computer hardware; Installation, maintenance and repair of computer hardware; Installation, maintenance and repair of computer servers; Interference suppression services for electrical apparatus; Kitchen equipment installation; Machinery installation, maintenance and repair; Photographic apparatus repair; Repair of power lines; Retreading of tires; Safe maintenance or repair; Telephone installation and repair; Upholstery repair; Vehicle maintenance; Clothing washing; Vehicle washing