process in which the binder and additives are evenly mixed with foundry sand in a certain proportion, and the binder adheres effectively to the surface of sand particles through mixing and/or rolling, rubbing and other mechanical method (see: foundry sand), vormiliiva, sideaine ja lisandite ettenähtud proportsioonides ühtlase segamise protsess tagamaks sideaine efektiivse liivaosakestega nakkumise mis saavutatakse segamise, rullimise, hõõrdumise jms mehaanilisel meetodil (vt vormiliiv)