3. If an unknown chemical spills in your workplace, what should you do? 4. If you are working outside when a storm with lightning starts, and you can't get inside the building, what should you do? 5. A co-worker slips and hits his head o the floor, losing consciousness. What do you do? 6. If a co-worker falls off a ladder and injures his back, what should you do? 7. Which is more hazardous, a sharp knife or a dull knife? 8. True or False? If you are caught in fire you should sta​