प्लास्टर ऑफ पेरिस इस
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Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry. Known since ancient times, plaster of paris is so called because of its preparation from the abundant gypsum found near Paris.
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पेरिस का पलस्तर( सफ़ेद खड़िया कापलस्तर जो सीमेंट के तौर पर भी प्रयुक्त होता है)
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