?
-1, -2, -3: .
-1
-2
-3
,
50 - 150
150 - 300
2 - 10
, %,
12,0
13,0
19,0
, %
8 - 15
8 - 16
15 - 22
30
60 - 180
100 - 200
-1, -2, -3: t° 20 , , .
-1, -2, -3: , 31-200-8 (9), -1-200-3 13950 1-200 6247.
-1, -2, -3: , .