A Sticking to a nutrition plan
I believe that item is: Defibrillator
The recommendations that made by ANSI are the items that could be used even in small working sites.
Defribrilators requires a pretty huge amount of electrical supply which make them unable to be brought to small working sites.
Carcinogens is a substance capable of causing cancer in living tissue.
Answer is: cancer causing agents
Drug use during pregnancy can lead to multiple birth defects