In 1944 alone, the United States built more planes than the Japanese did from 1939 to 1945. By the end of the war, more than half of all industrial production in the world would take place in the United States.
The welt-beating and slashing machine ensures the welt is parallel to the insole. The outsole is then covered with rubber cement and attached to the upper using a sole-laying machine. The sole is stitched to the rest of the shoe using a lockstitch machine, capable of making 1,000 stitches in a minute.
If that's the case, you'll need a road shoe with cleats that match your road bike. I travel a lot and take spinning classes when I travel; and very rarely run into spin class bikes with Look pedals. So, odds are, you want an SPD compatible shoe. For the typical spin class bike, you can adjust...