Workers orientation in work site
Last modified: August 22, 2022
Grinding stainless steel with a depressed center grinding wheel
Last modified: August 22, 2022
Man with eye glasses gives lecture in projector screen
Last modified: August 22, 2022
Man holds the safety ladder for his co-worker
Last modified: August 22, 2022
Men check on reinforced steel bars
Last modified: August 22, 2022