Ear plugs for hearing protection; ear plugs for swimmers; ear plugs for protection against noise; ear plugs for sleeping; deformable ear plugs for noise reduction; ear plugs for medical purposes; otolaryngology instruments; heat dispensing containers for relieving pressure on the ear; nasal dilators; disposable steam-heated masks for therapeutic purposes; disposable steam-heated patches for therapeutic purposes; radiotherapy apparatus; hemodialysis apparatus; rigid esophagoscopes; hearing pro...