turn 1 switch on for 10 mins then off公仔箱論壇0 H# f5 l' l$ x1 A6 @, X. v
turn another 1 on then go to the other house
) C3 M0 T2 ~. A8 ^3 w0 atvb now,tvbnow,bttvb
& d8 M3 @# D9 `$ W5 b$ I! ltvb now,tvbnow,bttvbthe hot light bulb is the first the cold light bulb is the 3rd |