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Answers: Were can i find a good cheap pizza oven and cappichino machine
The back pages of restaurant magazines (for the trade) usually have used equipment for sale there. Also believe it or not there is a trade journal for pizza manufacturers. Something like Pizza Today or similar. I'm sure you'll get a ton of answers to go online but these magazines work too.
PhD Food Chemistry and Nutrition
google used restaraunt equipment in your area, or check craigslist.com