4. Fill in missing words:

1. It is completed in (четырехода) of the piston, or during two revolutions of the crankshaft.

2. In any internal combustion engine the (топливо) charge is (всасывается) the cylinder.

3. The detachable head is secured to the top of the (блокцилиндров).

4. The (двигатель) is set in motion by the explosions of a (смесь) of gasoline and air.

5. A (маховик) which keeps the (коленвал) moving when the pressure is exerted upon the top of the piston.

6.It is completed in four strokes of the (поршень) or during two

( поворота) of the crankshaft.