Built To Last. The dam itself was built to last. It was built to be as tough as the canyon walls which surround it. A total of 3,250,000 cubic yards of concrete was poured to create the dam â itâs enough to build a monument 100 feet square and 2 1/2 miles high.uilt To Last. The dam itself was built to last. It was built to be as tough as the canyon walls which surround it. A total of 3,250,000 cubic yards of concrete was poured to create the dam â itâs enough to build a monument 100 feet square and 2 1/2 miles high.
Report Abuse. The main function of the eyebrow is to prevent moisture, mostly salty sweat and rain, from flowing into the eye, an organ critical to sight.
2. The eye-brows are to protect the eyes from the sweat and any chemical liquid that the body could produce. 3. The eye-brows are very practical members for communication gestures as previously mentioned. 4. Eye-lashes are of course protecting the eyes from dust and dirts that might be caused by outside environment. 5.