23 Concrete Mixers, Mortar and Plaster Mixers, Road Rollers, Vibrating Rollers, Portable and Stationary Air Compressors, Material Spreaders, Self-Priming Centrifugal Pumps, ((Weed and Pest Control Spray Units, ))Emulsion Sprayers, ((Hoists, ))Plaster Pumps, ((Cement Finishers, Asphalt Surface Heaters ))and Dredge Pumps