教你如何在家用免費電

jjgio

教你如何在家用免費電 4 u* W0 L- m, s3 m6 T: j
在油電高漲的年代
6 W( x; n5 B4 c5 U/ w如何省電成了人人必學的知識,
: A, Q4 h* A" L7 x/ P' C) x想免費用電趕快學起來!!6 i$ B( ]: A/ d$ H4 i/ ~
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./ z) Y5 u* G/ s- {, M, X8 ?. k
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).