Corsets for therapeutic use; Digital hearing aids; Ear plugs for soundproofing; Electrically-operated hearing aids; Force and motion testing apparatus for physical training; Hearing aids; Masks for use by medical personnel; Massage apparatus for massaging necks and backs, feet; Massaging apparatus for personal use; Medical compression stockings and tights; Medical treatment apparel; Physical exercise apparatus, for medical purposes; Sanitary masks for pollen isolation purposes; Splints for ar...