The new spare-tire securing mechanism: an eye-bolt, a lock nut, two washers, a couple u-clips and a 12-inch span of plate. Works great with a socket wrench.
Hoover Dam Intake Valve You can't go on the hardhat tour of the Dam anymore because of the threat of terrorism (translation: they've won), so all we could really get were exterior snaps. This is one of the giant intakes for the hydroelectric generators.