4. Fill in missing words:

1. (Топливная система) consists of a (бак) in which the (жидкий) gasoline is stored, a (топливо) line, or tube, through which the gasoline can be brought from the tank to the (двигатель).

2. The carburetor is (создан) to mix each pound of gasoline with 9 to 15 pounds of (воздух) under various operating conditions.

3. It is (необходимо) to give them close and careful (внимание).

4. Sometimes both are mounted(внутри) the same drum.

5. The (стояночный) brake is operated by a (рычаг).

6. It is not necessary to (объяснять) the (важность) of brakes.