Check the correct for each statement . 1. some factory workes wear hair nest because _a. their hair can get pulled into a machine _b. it is important to look on the job 2. auto body repair workers often wear earplugs because _a. noise from power tools can damagr their hearing _.b repair shops can be very cold in winter months 3. machine workers usually wear goggles because a_. they can see better and do their work more exactly _b.sparks or pieces of metal can fly into their eyes 4. Some farmers wear respirations because _a insect- killing chemical sprays can hurt their lungs _b. respirators feel very comfortable on the face 5. Nursing assistants cften need to wear a back brace because _a. they can hurt their backs moving patients _b. they look more important if their backs are straight