On Thursday we went to room 8
To try out the human generator when it was
my chance I saw 2 buttons,there was one
on 1 side that was controlling 1 bulb and
the other one controlling the led one.
my chance I saw 2 buttons,there was one
on 1 side that was controlling 1 bulb and
the other one controlling the led one.
Place like McDonalds use normal ones
same as shops. If they use LED bulbs they
can save heaps and heaps of money.
same as shops. If they use LED bulbs they
can save heaps and heaps of money.
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