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