What is OSHA and which jobs does it protect?

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UP NEXT
Pete Williams breaks down future Supreme Court scenarios
02:14
Is it safe to fly to visit ill, elderly parents?
01:09
Airline CEO claims coronavirus ‘more serious challenge’ for industry than 9/11
02:18
Mayor Cooper on Tennessee tornado: 'Last night was a reminder of how fragile life is'
03:17
Nevada voter not confident in caucus process after Iowa
02:20
Americans evacuated from China discuss coronavirus quarantine
04:08