– , , , , . . . !
., - , .
: ● – 1 ● – 700-800 ● – 200 ● – 3-4 . ● – 6 ● – 3-4 . . ● – 1,5 . . ● – ● – ● ● (). :
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t˚ = 180-200˚ C 1 .
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