| http://www.w3.org/ns/prov#value | - Referring to FIG. 17, ovens of the invention are readily separated at the flanges between sections, as is demonstrated for embodiment C. In FIG. 17, section 245c has been disconnected from section 245b by separation of flanges 248a, 248b, thus allowing the nozzle of a steam hose 292 to be directed into the interior or chamber 221 for cleaning of the oven, such as is desirable in ovens utilized for
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