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 air and liquid from waste and wastewater exhausters; machine tools for removing waste and trash; vacuum pumps; pumps and compressors for machines; powe...