Machines for the treatment of waste and wastewater, namely, machines for compacting waste and trash, waste disposal machines, waste crushing machines, waste sorting machines, waste material conveying machines, food waste disposal machines, shredders for waste, waste and trash separator machines, machines for ejecting, injecting, and separating liquid from waste, machines for injecting, and separating air from waste, wastewater exhausters; machine tools for removing waste and trash; power-oper...