: ● 2.5 . ● 1 (200 ) ● 1 ● 0.5 . ● 0.5 . ● 2 . ● 1 . ● 0.5 : , , . , , . , 2 , 5-10 . 0.3--0.4 ( .) . , . 200 20 ( - ). , . . , - . , "" . !