| http://www.w3.org/ns/prov#value | - an insulating box including a lid, the box having exterior walls and a floor, the exterior walls including at least one inlet port and at least one outlet port, the box having a multiplicity of dividers, the dividers defining a serpentine air column between the at least one inlet port and the at least one outlet port; and a blower in gaseous communication with one of the inlet or the outlet ports
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