I think it’s D most likely.
The goal of OSHA is to keep people safe regarding how food is made and the things it has in it. It protects people who have allergies with certain foods.
Electrolytes, they boost your immune system and energy level
Answer:
Leave the blower running for ventilation while anyone is inside. Running the Silo blower for 15 to 45 minutes before entering the silo and while you are in the silo will help remove silo gas, but this is not a substitute for a self-contained breathing apparatus.
Explanation: