According to OSHA guidelines, what sis the employers responsibility

Employers have a responsibility to provide a safe workplace

According to the Occupational Safety and Health Administration (OSHA) an employer has the following responsibilities:

provide a safe workplace that follows OSHA safety and health standards find and correct any safety and health problems make sure have and use safe tools and equipment eliminate or reduce hazards by changing working conditions establish operating procedures that comply with OSHA standards provide safety training and medical examinations etc.