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