Pumpjack

src: i.ytimg.com A pumpjack is the overground drive for a reciprocating piston pump in an oil well. It is used to mechanically lift liqui...

Passive solar building design

src: www.greenbuildingadvisor.com In passive solar building design , windows, walls, and floors are made to collect, store, and distribute s...

Big Bear Lake

src: www.spendlifetraveling.com Big Bear Lake is a reservoir in the San Bernardino Mountains, in San Bernardino County, California, United ...

Summer

src: tiresandparts.net Summer is the hottest of the four temperate seasons, falling after spring and before autumn. At the summer solstice,...