Protection helmets of all kind and their parts, namely, crash-helmets, motor-cycle helmets, steel helmets, industrial safety helmets, fire fighting helmets, ballistic protection helmets, police helmets, anti-riot helmets, car racing helmets and [ snow mobile helmets; protective glasses fitted for crash-helmets, ] face shields, heat curtains (safety curtains) comprised of woven wire mesh screens and protective ear coverings as adaptable accessories for protection helmets; equipment for head pr...