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Plaster of Paris
Plaster of Paris:
anhydrous
gypsum
, used for casting. It has the quality of swelling rapidly to fill a mold, then contracting slightly as it dries, making it easy to remove from the mold. So called because it was first mined in
Montmartre
in
Paris
.
wikipedia.org
dumped 2003-03-17 with
terodump