SAFETY EQUIPMENT, NAMELY, HEARING PROTECTORS, [HELMETS, HELMET VISORS, HELMET RAIN SHIELDS;] RADIO RECEIVERS; EAR MUFF RADIO RECEIVERS; RADIO RECEIVER AND TRANSMITTER COMBINATIONS AND HEADSETS; [ELECTRICAL SPEECH AMPLIFIERS; ELECTRICAL TELEPHONE AMPLIFIERS; ELECTRIC FILTERS; RADIO ANTENNAS,] ELECTRIC CABLE

Hearing protective headsets; headsets with or without active noise reduction for use with electronic audio devices; one-way and two-way communication headsets with or without active noise * reduction * [ recuction ]

Noise reducing aviation headsets used for communication

Protective helmets; protective clothing; protective visors; protective face masks; safety apparatus for arresting the fall of workmen; safety restraints; commercial safety nets; safety tarpaulins; safety rope systems for persons working at heights

Earphones, headsets, headphones and headsets with hearing protection; microphones, aviation headsets, and parts and fittings therefor, protective helmets and masks

Amplifiers, earphones, communications headsets, listen-only headsets, headphones and headsets with hearing protection; microphones; aviation headsets