page 7 - exercise
6. This is a head phone. people use this utensil in order to listen to music themselves without interrupting other people.
7. These are news papers. = newspapers. These convey information to people.
8. This is a saw. This utensil helps people to cut firm things like woods.
9. This is a bulb. This makes lights = light to drive out dark.
10. This is a (computer) mouse. This is one of the hardware of a computer, and its roll is to make people possible = role is to make it possible for people to move a cursor on the monitor.