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17 :
250 ()30 1 . (7 )50 (2,5 . .)1 ( )1 . . (5 )80 . ( )500 + 1-2 . . ()30 . ( )
: ( )
125 , 1 . . - 15 , - "". (125 ), , (1,5 . .) - . "" . - . . . . . ( , ). , , "" , 1-1,5 ( ).
17 ( 60 ), . .
, . 20-30. : 1 + 2 . . . t-180°C, 15-20 , .
- - . .