Relier Pairs Stones and ceramics IIVersion en ligne Technology in secondary school for spanish speakes par tekno TEKNESO 1 Soft, porous, resistant to high temperatures and chemically inert material 2 Rubing and smoothing a surface to make it shiny 3 Paste used to join other materials 4 Grey powder made from a mixture of crushed and heated limestone, clay and gypsum 5 Soft, white, absorbent mineral rock 6 Used to hold together construction materials 7 Water-soluble adhesive used to make archways, partitions, and as a covering for walls and paving PLASTER MORTAR STONE BINDER GYPSUM TO POLISH CLAY CEMENT