Rental of pile-drivers; rental of hydraulic rams machines; rental of pile-extractors; rental of earth augers; rental of construction machines and apparatus; repair or maintenance of pile-drivers; repair or maintenance of hydraulic ram machines; repair or maintenance of pile-extractors; repair or maintenance of earth augers; repair or maintenance of construction machines and apparatus; repair or maintenance of cranes; repair or maintenance of conveyors; repair or maintenance of loading-unloading machines and apparatus; repair or maintenance of rock drills; repair or maintenance of mine borers; repair or maintenance of mining machines and apparatus; construction consultancy; rental of rock drills; rental of mine borers; rental of mining machines and apparatus; general building construction; construction and maintenance services relating to civil engineering, namely, concrete paving, site clearing, excavation, pad preparation, grading, and asphalt paving; dredging; scaffolding, earthworks or concrete construction; road paving; repair or maintenance of mechanical parking systems; repair or maintenance of mechanical bicycle parking systems; repair or maintenance of mechanical motorcycle parking systems