B. Mr. Slifko buys a strong painkiller at the drugstore and takes the cap- sules according to the directions on the package. He has an extremely bad reaction to the drug and has to be taken to the hospital

The occupational safety and health administration promulgated a rule requiring warehouse employees to wear hardhats when in the vicinity of an operating forklift. the purpose of the hardhats is to protect employees from danger of falling objects. this rule is