It is necessary for employers to provide personal protective equipment to employees if any of these conditions exist except:

The correct answer is "When his or her workers may be exposed to risk that may affect their health or safety while at the work site, except when the possible risks or factors that affect the workers safety has been controlled by other means necessary and effective."

The PPE is known as the Personal Protective Equipment. They are equipment used by workers to provide them safety and protection from possible health risks in their line of work.