kergsulavatest metallidest (peam Zn -, Al -, Mg - sulamid) täppisvalandite tootmise protsess kordkasutusega kipsvormides (vrd liivvormvalu), similar to sand casting process except that the mold is made of plaster of Paris; using is limited to the casting of lower melting point alloys such as aluminum, magnesium and some copper-base alloys (compare: sand casting)