I just met a truly ingenious baker at the Toledo (Oregon - a 10K pop mill town) farmers' market. He has converted a small van into a mobile bakery, jury-rigging most of the equipment himself. He has an old 3 deck oven with steam injection from a cup of water coupled with a windscreen wiper device activated by touching 2 bare wires together; a retarding /refrigeration unit worked by an old single room air conditioner; a home rigged proofer and, the only new commercial item, a Globe mixer…