He wai wai ka gypsum plaster? ʻO Gypsum plaster, ʻike ʻia hoʻi ʻo plaster of Paris, he mea kūkulu hale maʻamau i hoʻohana ʻia no nā kenekulia i ke kūkulu ʻana, hana kiʻi, a me nā noi ʻē aʻe. He mineral sulfate palupalu i haku ʻia me ka calcium sulfate dihydrate, ka mea, ke hui pū ʻia me ka wai, paʻakikī i ...
Heluhelu hou aku