Anaesthetic masks; Face masks for use by dental care providers; Face masks for use by health care providers; Masks for use by medical personnel; Sanitary masks for dust isolation for medical purposes; Sanitary masks for dust prevention for medical purposes; Surgical masks

Wind-powered electricity generators; Wind turbines; Propellers for wind-powered electricity generators; dynamos; generators of electricity; dynamo belts; alternators; Centrifugal grinding machines; Shaft couplings as parts of machines; shock absorbers for machines