3D printers; 3D printing pens; Brushes for vacuum cleaners; Can openers, electric; Carpet cleaning machines; Coffee grinders, other than hand-operated; Dust exhausting installations for cleaning purposes; Dust removing installations for cleaning purposes; Floor cleaning machines; Hair clipping machines for animals; Paper shredding machines; Scissors, electric; Snow ploughs; Suction nozzles for vacuum cleaners; Vacuum cleaners