turn 1 switch on for 10 mins then off公仔箱論壇 E* f0 [* W* z O, {3 b7 z
turn another 1 on then go to the other house
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/ _, K( y! I' ~4 R- \6 J+ btvb now,tvbnow,bttvbthe hot light bulb is the first the cold light bulb is the 3rd |