Saturday, June 15, 2013

Solar jokes Saturday: rooftop panels

New heat-trap on your roof, Billy?


                         Image credit: US solar institute




3 comments:

teh ramuan said...

hehe
lampu jalan memang selalu buat hal
macam tak sedar je hari dah siang

Adam said...

if only energy could be recycled like that

rainfield61 said...

Good joke on the "power cycle".