37 Installation and maintenance of irrigation systems; repair and maintenance of garden and lawn irrigation systems; building renovating, refurbishment and repair services, removal of graffiti; maintenance of real property; sports field renovation; playground installation and maintenance services; carpentry services, plumbing services, electrical installation and maintenance services, mechanical cleaning services, and installation and maintenance of HVAC systems; concrete pumping services; tile installation services; cleaning services, namely, power washing services, house cleaning services, building cleaning services; cleaning of solar panels; graffiti removal and graffiti management being the application of anti-graffiti coatings and the removal of graffiti; environmental remediation services, namely, treatment of soil and water; waste cleaning services; interior and exterior building cleaning services; plumbing services for clearing of tree roots from pipes and drains; building construction services relating to landscaping; cleaning consultancy and advisory services, cleaning of playgrounds, bus stops and public spaces; construction consultation and engineering; electric appliance installation and repair; installation, maintenance and repair of synthetic turf; machinery installation, maintenance and repair; maintenance and repair of sporting equipment; maintenance of roads; office equipment installation, maintenance and repair; painting services including of buildings, signs, metal surfaces; installation and maintenance of street infrastructure and signage, display signs, road traffic control signs, fitted and portable signs for roads, reflective signs for the prevention of accident or injury, road signs, traffic guidance apparatus, installations and panels, traffic cones, traffic control apparatus, traffic guidance apparatus, traffic lights, traffic information panels, safety signs, signs for directing pedestrians, speed signs; handyman services, namely, building repair, maintenance; excavation services; installation of speed humps made of bitumen, bituminous materials for use in repairing playgrounds, footpaths and roads, cement posts, concrete fences, blocks and beams, footpaths; installation and maintenance of gates and fences, movable partitions, safety and caution cones, safety doors; installation and maintenance of street furniture being bins, bike racks, bollards, planter boxes, posts, shelters, street name signs, park benches; installation and maintenance of traffic and pedestrian control constructions, traffic and pedestrian information panels (non-luminous, non-mechanical), road coating and asphalt, road marking sheets and strips of synthetic materials, roadside display boards; construction of sport turf