4. ELECTRIC SHOCK.
5. PREVENT FIRES.
6. PERSONAL PROTECTIVE EQUIPMENT.
7. WORKING AREA.
8. AVOID EXPLOSION HAZARD.
9. HANDLING GAS CYLINDERS.
10. PROTECT GAS CYLINDERS FROM HEAT
OR DAMAGE.
11. ELECTRIC AND MAGNETIC FIELDS
(EMF).
12. EQUIPMENT MAINTENANCE.
13. EXPERIENCING DIFFICULTIES.