Haysam Elhassan
PRINCIPAL OCCUPATIONAL HYGIENIST, COH, RED OHMS HYGIENE NSW/VIC/ACT
Haysam is a Certified Occupational Hygienist and Safety professional who has more than 15 years experience in consulting.
Haysam Elhassan
Haysam is a Certified Occupational Hygienist and Safety professional who has more than 15 years experience in consulting.
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