Kevin Hart to host 'Comedy Central Roast of Justin Bieber' on pop star's 21st birthday. Kevin Hart is ready, willing, and able to host Comedy Central's 'Roast of Justin Bieber' for the pop star's 21st birthday.
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To contact OSHA's free consultation service, go to OSHA's On-site Consultation web page or call 1-800-321-OSHA (6742) and press number 4. Workers may file a complaint to have OSHA inspect their workplace if they believe that their employer is not following OSHA standards or that there are serious hazards.