- , , ( ) (-I, -I, -I, -I, -II, -II) (-I, -II, -II, -III) [5,12].
/ . ( 12.2.020-76 " "), , , , , .
, , , .8, 9 .
8
-I | , . |
-I, -I | . |
. IP 54 | |
-I | , IP 44. |
-II | , . |
-II | , IP 54. |
9
- | |
- I | ( 12.2.020-76) |
-I,-I,-II | ( 12.2.020-76) |
-I, -II | ( ) |
, , , , . , , , , ..
, , .10.
10
- I | -II | -II | -III | |
, | I44 | I54 | I44 | I44 |
, | I44 | I54 | I44 | I44 |
(, , ..) | I44 | I54 | I44 | I44 |
I5 | I5 | I2 | I23 |
"" , .