37 Building construction, construction services, namely, planning, laying out, construction and refurbishment of roads, roadways, runways, airports, military bases, bridges, docks, harbours, ports, dams, pavements, car parks, flyover bridges and buildings and demolition of buildings, roads, roadways, airports, military bases, bridges, docks, harbours, ports, dams pavements, car parks, flyover bridges and runways; construction and refurbishment of concrete, asphalt and road paving plants; mining and oil and gas extraction; rental of tools and equipment for construction and demolition, namely, rental of earthmoving machines, asphalt and concrete paving machines, concrete, gravel, asphalt, pitch, bitumen, macadam and cement dispensing machines, mixing machines, excavators, drilling machines for soil, asphalt and concrete drilling operations, boring machines, ground surface finishing machines, crawler-tracked loaders, articulated line haulers, road pavers, forklifts, bulldozers, mechanical railed lifting conveyors, cranes, integrated machine tool carriers, disk harrows, seeders, seed planting machines, material handling machines, namely, loaders and conveyors, rental of diesel powered electric generators and electric generators, rental of machine tools for the excavating, lifting, loading, compacting, paving, injecting, cutting, mixing, and forming of materials, rental of diesel engines for machines; repair and maintenance of buildings, roads and runways; consultancy, information and advisory services for all the aforementioned