.
.
4. .
!
.
10
60 .
5. .
.
.
6.4
LED
) LED .(
.
" " " ."
7 .
.
7.1 ...
.
.
.
. . .
.
. . .
. . . "
"
.
.
.
.
.
.
"
."
8 .
.
.
.
.
.
294
*