Air compressors; Bubble making machines; Can openers, electric; Ceramic 3D printers; Counter-current swimming machines for use in swimming pools to enable swimming in place against an adjustable counter-current, featuring pumps, motor, and adjustable current director outlets; Electric pumps; Electric vacuum cleaners; Electric vacuum food sealers for household purposes; Fruit washing machines; Juice machines; Laundry washing machines; Multi-purpose steam cleaners; Packaging machines; Robots fo...