turn 1 switch on for 10 mins then offtvb now,tvbnow,bttvb0 S8 ~6 n: p* A
turn another 1 on then go to the other house
. T3 m5 p2 s+ k: B( W( Ftvb now,tvbnow,bttvb7 l. X. e L1 ^& z, f2 V* D6 @ W
the hot light bulb is the first the cold light bulb is the 3rd
% J! x7 c& @1 O& ?* a
; |2 |4 n: c* t1 F; ~# Ftvb now,tvbnow,bttvb唔係已經有人答左咩 |