timbavati

May 19, 2010

How to Obtain Water in a Survival Situation (Part 2)

Aboveground Solar Still Above-ground solar still You can use stills (aboveground and belowground) in various areas of the world. They draw moisture from the ground and […]
May 11, 2010

Don’t Let your Swimming Pool Backwash Water Damage the Environment

Used since the early 1900s, chlorine is one of the most widely produced industrial chemicals. About 10 million metric tons are manufactured in the US each […]