Concrete Finishers Operate a variety of complex equipment including trucks, backhoes, air compressors, hydro hammers, jackhammers, vibrators, brooms, pumps, loaders, concrete saws, and mixers, hammer drills, generators, and other similar equipment and machinery in repairing and installing concrete. May operate machinery, hand and power tools of all types, saws, air hammers, tampers, cement mixers, floats, and trowels, small mechanical hoists, and a variety of other equipment and instruments.