: |
, , ? !
: , F1, , , , , F1.
, .
: . , .
, . , . , : . .
, — 7×7 . 1–2 . .
, . . , , .
.
. . , , (6–7 pH). , .
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- |
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10 |
1. — ( 1 40 90 ) — 5°. . , . — ( 6—7).
2. . — , , . . 15—20 20—30 - , 30—40 10—15 1 2.
3. : , ( 1 2 4—5 2—3 3—4 ). 0,5—1 - 1 2.
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