It takes mountains of plastic pellets, an ultrasonic welding machine, and a lightning-fast robotic printer to keep up with demand for Nalgene's iconic water bottles. Using a plant introduced to America by Ben Franklin, the classic corn broom has been around for centuries and is still made by hand in the Lone Star State. Featuring a patented design in a rainbow of colors, swing by this Texas factory where silos of plastic beads are turned into 10,000 cutting boards every day. Potty jokes are out at this Ohio factory where humans and robots work in harmony to transform liquid clay into toilets.