3. Перекладіть:

1. Casting is known to be not as simple an operation as it may seem.

2. We believe them to get all the main types of modern lathes.

3. A pneumatic hammer was expected to forge various parts.

4. I saw them to assemble parts into units.

5. The 20^th century is known to be the age of atomic power.

6. We believe the atomic power stations to be advantageous because of their low fuel consumption.

7. Atomic energy is expected to become the main source of power.

8. A white precipitate appears and the suspension is allowed to remain for 1 to 2 hours at 4°C.

9. The boiling point and the freezing point of water are considered to be the bases for temperature scales.

10. Whenever the speed or velocity of a body changes, the body is said to have acceleration.

11. Oil is known to be one of the most important sources of energy.

12. Under what conditions will the reaction proceed sufficiently for the method to be practicable?

13. Modern methods of planning and control with the application of computer techniques are known to be introduced into the mining industry.

14. For the growth to continue steps must be formed gradually at ordinary temperature.

15. Gold was proven to be unattacked by moisture.