Personal computers and computer monitors

repair and maintenance of residential and commercial air-conditioning systems, heating systems, refrigerators, freezers, ice-makers, ice-machines, ranges, microwave ovens, ovens, dishwashers, disposals, compactors, clothes washers, clothes dryers, water heaters, home electronic equipment, plumbing and electrical systems and components

PLASTIC MATERIALS IN THE FORM OF POWDER AND OF GRANULES