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37
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.
•
(20%
),
.
•
( )
-
20%
.
2−3 .
0 = «.» ( ).
:
1 =
-
.
2 = ,
, ,
3 =
( ,
)
.
( ,
1 . -
«0»).
•
,
.
•
(90º) .
•
.
•
1,5
.
5492453_S 4-66 Seite 37 Montag, 20. November 2000 10:17 10