construction civil work

soil wall construction asphalt roof wood vehicle track waterway geology brick transport brickwork iron demolition arena working industry steel metal backgrounds engineer engineering flooring hardhat males mature adult mechanic men occupation one person pencil pouring shiny strength variation workshop chrome worker craft diy hammer home improvement people repairing wired wrench bucket site dirt headwear pliers screwdriver technology toolbox wire built structure carpentry close-up concrete workers removing form building39aph39s foundation civil work building's foundation