A professional who renders first aid and subsequent treatment to injured or ill employees at industrial plant, commercial establishment, mine, or construction site. Respnsibilities include:

• Sterilizes, disinfects, anoints, and bandages minor cuts and burns.
• Applies artificial respiration or administers oxygen, in cases of suffocation and asphyxiation.
• Administers medications, such as aspirin or antiseptic solution, to relieve pain or prevent infection until patient can receive professional care, and gives prescribed medicines and treatments for illness.
• Changes beds, cleans equipment, and maintains infirmary for ward patients.
• Aids physician during emergency situations.
• Keeps personal and medical records of employees.