Reciprocating vacuum pumps; Air suction machines; Automatic packing machines for food; Drives for vacuum pumps; Electric bag sealers; Electric vacuum food sealers for household purposes; Machine parts, namely, mechanical seals; Machines to remove water from raw potato slices by the action of an air curtain and a suction plenum; Packaging machines for food; Packing machines under vacuum; Robotic vacuum cleaners; Vacuum packaging machines; Vacuum packing machines; Vacuum pumps; Wet-dry vacuums