Help me!!!! С заданием ))))
*1. discover
2. develop
3. invent
4. equipment
5. engine
6. machine
7. battery
8. electricity
9. investigation
10. research
1 - Discover
2 - Develop
3 - Invent
4 - Equipment
5 - Engine
6 - Machine
7 - Battery
8 - Electricity
9 - Investigation
10 - Research