教你如何在家用免費電

jjgio

教你如何在家用免費電
+ B5 G+ c: N0 r- f: T& [- [% n& T在油電高漲的年代
3 X; I/ H0 W' {- k; |( N: j, o, G如何省電成了人人必學的知識,% i% J0 N% ~% }+ }! l2 _1 \4 A
想免費用電趕快學起來!!* |8 b0 N2 D$ Z1 z4 M& b
http://josong.blogspot.com/2008/08/blog-post_9916.html

費事高

我唔識聽英文

slwong3

It is only teaching you how to get electricity from the phone jack.
2 I: a* J$ A8 Q" r' r' Z# C3 ?The video only tells that it is only used for emergency because the phone jack can not provide much power (probably enough for a flash light).