37 Construction of buildings; building construction and installation construction services, namely, installation of building insulation; vehicle service stations for refueling and maintenance; maintenance, cleaning and upkeep in the nature of repair of offices, commercial premises, public places in the nature of streets, squares, parks, gardens, lampposts, traffic signs,, urban furniture, roads; cleaning of glass, namely, cleaning of building glass facades, cleaning of buildings; assembly and fitting of furnishings; repair and maintenance of works in the nature of cleaning, replacement of parts, inspection and adjustment of new building construction works, industrial in the nature of waste recycling plants, sewer and water supply apparatus, maintenance and repair of heating, cooling and electricity installations for lifts, water and gas pipes and other supplies for fire prevention apparatus systems; cleaning, washing, ironing of garments; electrical systems installation services; installation services for photovoltaic plants; kitchen equipment installation services; installation services for computers; installation services for pipes; installation of roofing; construction of waste recycling plants; plumbing installation; installation of central heating apparatus; installation services for sewers; installation services for drains; installation services for blinds; installation services for lifts and elevators; assembly in the nature of installation of parts for vehicles; installation services for building scaffolds; installation services for working and building platforms; installation services for drilling pipes; installation services for building scaffolds and working and building platforms; services for the installation ties for walls with air chambers; installation services for cavity wall anchors; waste disposal, namely, hazardous waste clean-up services; human waste removal; hazardous waste cleaning services; refuse collection in the nature of urban waste; vehicle fueling services; underwater repairs; disinfection of streets, squares, parks, gardens, lampposts, traffic signs, urban furniture for others; extermination and control of pests, other than for agriculture, aquaculture, horticulture and forestry; rat extermination, other than for agriculture, aquaculture, horticulture and forestry