Download - Hearing safety awareness training
Transcript
Chit ShweParticipant of CU4A10/04/2013
Noise Reduction Rating (NRR)
DEMONSTRATION ON WEARING OF HEARING PROTECTOION
THE END
Chit ShweParticipant of CU4A10/04/2013
Noise Reduction Rating (NRR)
DEMONSTRATION ON WEARING OF HEARING PROTECTOION
THE END