18 7 1 . 8 (10 8 ), , .
, , , "", .
. , , - . ( ) ( ) , , - (5-10 ), (15-25 ) . , , , 0.6 - 0.8. . , , .
, - "" - , "" - . 2.5 4 . .
"" () O1/2; P3/4; C3/4; T3/4; TPO dex/sin; F7/8; F3/4 (z).
- , 2 . . 20 2- . . -- (7,5 - 13 ) (4.5 - 7 ) : - , , . , . 20 .