[ Chemicals used in industry in particular chemical preparations for the treatment of cement; chemicals used in agriculture, horticulture and forestry, in particular fertilizers; manures ] | [ Non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal ] | Building construction; construction of steel structures; construction of cement structure; piling and foundation works; repair of power plants, oil and petrol plants, petrochemical plants, [ road and transportation infrastructure, water and wastewater infrastructure, ] industrial buildings and commercial buildings; installation services, namely, installation of irrigation, electrical, [ lighting, fire] [ alarm, ] [ detection and suppression, transportation and traffic equipment, heating, ventilating and air conditioning, security systems ] for power plants, oil and petrol plants, petrochemical plants, [ road and transportation infrastructure, water and wastewater infrastructure, ] industrial buildings and commercial buildings
