, (. 2-17). .
. 2-17. ( )
. , . 2-18. . 0,060,26 . , , .
. 2-18.
. 2-19. .
.
, (. 2-19) . 41.7853.4011, , , .
(. 2-20) 6 (. . 2-9) . .
. 2-20. ( ) ( )
, ( ) , .60330/R .
67.8125.9502 (. 2-21).
. 2-21. ( )
!
1,2 , .
. . , .
. .
(. . 2-21) .
!