37 Building construction and demolition; Rental of hand and power tools for construction and building demolition purposes; rental of construction and building demolition equipment; rental of cleaning equipment and machines; Mining extraction of natural resources; Extermination, namely, extermination of pests, other than for agriculture, aquaculture, horticulture and forestry; disinfection of surgical instruments and tableware; pest control in the nature of extermination other than for agriculture, aquaculture, horticulture and forestry; Electronic alarm, electronic lock and electronic safe installation, maintenance and repair; Vehicle repair, maintenance, and refueling of land vehicles and marine vehicles; vehicle service station services for land vehicles,namely, recharging services for electric land vehicles; Maintenance of office machines and equipment, namely, re-inking toner cartridges in the nature of refilling of toner cartridges in office printers; Maintenance of office machines and equipment, namely, refilling of toner cartridges in office printers; Computer hardware and telecommunication apparatus installation, maintenance and repair; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Plumbing installation, maintenance and repair for sanitary plumbing installations; Furniture maintenance and repair; Lift and elevator maintenance and repair; Building maintenance and repair, namely, maintenance and repair of building heating, ventilation and air conditioning (HVAC) units; Cleaning of goods made of fabric, textile, leather and fur, namely, clothing; Vehicle service station services for land vehicles, namely, repair and maintenance of land vehicle tires; Clock and watch repair; Vehicle servicing, namely, land vehicle repair services; Land vehicle maintenance and repair; Land vehicle and marine vehicle repair consultancy; Land vehicle, air vehicle, and marine vehicle breakdown repair services; Vehicle service station services for land vehicles, namely, charging of batteries for electric land vehicles; Vehicle refueling services for land vehicles and marine vehicles; Vehicle maintenance services in the nature of lubrication services, all for land vehicles, marine vehicles and air vehicles; Vehicle repair in the nature of vehicle window replacement services for land vehicles, marine vehicles, and air vehicles; IT consultancy, advisory and information services, all relating to installation, maintenance and repair of computer hardware