I get to see some unique things, being a photographer. Did a little shoot last week for Hanson, an international concrete pipe manufacturer out by Luke AFB. It was a record 113 degrees that day - the client pointed at what they wanted photographs of from the shade, while I baked my brains in the sun.
Nice shiny new plant, but the most interesting thing to me was this "biblical" sized rebar-wire "weaving" machine that created the reinforcement mesh for the colossal concrete pipes.
The thing was was at least 20 feet tall; check out the rolling platform stand at the lower left for a sense of scale.

A few of the wire cylinders:
The sand & gravel conveyor belt: