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polishing with a smooth stone or tool on leather-hear clay or slip to make a surface sheen, the surface will not stay shiny at temperatures above 2000F
refractory shelves and posts which ceramic ware is placed while being fired in the kiln
a protective coating of refractory materials applied to the surface of the shelves and the kiln floor to prevent excess glaze from fusing the ware to the shelves
contraction of clay in either drying or firing, it loses actual mass due to evaporation of water
a hand-building method in which forms are created by joining flat pieces of clay, the pieces are thinned and flattened with a rolling pin or a slab
a suspension of ceramic materials in water, generally refers to casting slip for molds, can mean a liquid clay englobe for decorating or a glaze slip
texture of quality of coarseness in a clay body necessary in clay to make it life and support weight in hand-building, results from addition of fine grog, sand, or any slightly coarse particles
distortion of a pot in drying because of uneven wall thickness or a warm draft of air, o in firing when a kiln does not heat uniformly
glass like, hard, dense, pertaining to the hard, glassy, and nonabsorbent quality of a body of glaze
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