Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
electricity =
1.
2.
“d
3.
ŠO
4.
“š
ƒŒƒxƒ‹2.
•ÏX
SDAL“‡‰pŒêŠwZ