22. Solve the crossword puzzle. (You can find the key in Unit VII).

			1		2									3
												4
	5		6								7						8
							9
															10
		11
12										13
			14																15
													16
17
												18
19										20						21
															22
			23

Across

1) being safe, freedom from danger [6]

4) cylinder–shaped object of metal, wood, etc., part of a machine [6]

5) circular frame which turns on an axle [5]

7) place for luggage at the back of a car [4]

10) circular band (обод) of any kind of material [4]

11) screen of glass in front of a motor vehicle [10]

12) band of rubber on the rim of a wheel [4]

13) way in which something is put together, organized [9]

14) vehicle, especially one with four wheels [8]

16) electrical mechanism in a petrol engine; igniting [8]

19) the part of a machine which turns on a fixed rod [7]

20) transport business done by a railway, etc. [7]

22) quickness of movement [5]

23) process of gaining knowledge [10]

Down

2) material for producing heat or energy, e.g. oil [4]

3) narrow opening through which something is to be put [4]

7) machine that converts energy into power or motion [6]

8) build [9]

9) working parts of a machine collectively [9]

14) the distance between one object and another [9]

15) top covering of a bus, car [4]

17) bodily or mental work [6]

18) specimen [7]

21) the amount that something can hold or contain [8]