I put myself through Penn State selling tires at Sears and often visited the subterranean tire warehouse. It had a pervasive and distinctive odor. 25 years after that building became a restaurant, I again was in that room...and could still smell the tires.

One look at those carcasses he's using should convince anyone to buy new tires instead.

The amount of time the cores stay in the mold must be critical. Each device on the right wall has a card noting either start or end times. The alarm clock attached to the shelf must be the official time.