Final answer:
Employers are responsible for instructing and drilling employees in safety precautions, as mandated by OSHA standards. Rigorous checklists are utilized in industries like aviation and healthcare, with organizations like WHO creating guidelines to enhance workplace safety.
Step-by-step explanation:
Entities that require individuals to be instructed and drilled in all safety precautions include employers who are responsible for maintaining a safe workplace under the Occupational Safety and Health Administration's (OSHA) regulations. Employers must adhere to various standards such as providing fall protection, preventing exposure to infectious diseases, ensuring confined space safety, guarding against harmful chemicals and dangerous machines, and providing appropriate training for hazardous jobs. Additionally, there are specific sectors like the medical and aviation industries that employ rigorous checklists and oversight to guarantee safety standards are met, with organizations like the World Health Organization (WHO) developing checklists for reducing accidents in medical facilities.