7. It prevents the wearer from inhaling any type of particular matters. a. goggles b. earmuffs c. boots d. respirator
8. The following are the example of chemical hazard except. a. Pesticides b. herbicides c. insecticides d. , viruses
9. Which of the following examples belong to mechanical and electrical hazard a. Electricity b. bacteria c. fire d. floor
10. Bacteria, viruses, molds, mildew are examples of what? a. Physical hazard b. chemical hazard c. biological d. ergonomic
11. An implement attached to a four-wheel tractor used to pulverize the soil. a. Native harrow b. disc harrow c. bamboo harrow d. wooden harrow
please help me​