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roborough

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roborough

Salt Pig

What physical processes are in operation when an unglazed earthenware salt pig is used to dry salt? I would have thought that the porosity of the unglazed earthenware is an essential part of this...
16:53 Thu 12th Aug 20104 answers, last by theprof 23:03 Fri 13th Aug 2010
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roborough

crossword

travelling provisions for one accepted by sibylline middleman V?A?I?A
17:06 Mon 10th Dec 20073 answers, last by roborough 19:57 Mon 10th Dec 2007

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