DISCUSSING SAFETY PROCEDURES
作者：saul garcia
1. MASK
2. HARD HAT
3. EAR PROTECTION
4. EYE PROTECTION
5. PROTECTIVE GLOVES
6. HIGH VISIBILITY CLOTHING
7. PROTECTIVE SHOES OR BOOTS
8. dangerous works
8.1. fire fighter
8.2. pilot
8.3. olice officer
9. GRAMMAR
9.1. MUST
9.1.1. All pilots must have a licence (= the have to have one)
9.1.2. you mustnt carry dangerous items on planes. (= you are not allowed to.)