What are four indications that office is compliant with osha regulations

The  office  should  have
1. hazard on   communication  signs example  risk  of  electric  shock.
2.Emergency  exit  routes  which  is  well labeled example  exit  door.
3.office  with  ionization  ration
4.office  with  well  effective  and  medical  device  designed  to  eliminate  or  minimize  bloodborne  pathogens.

The correct answer is  "a) has ingredients that are high in nutrients."