täppisvalandite tootmine keraamilistes mitmeosalistes vormides, mis valmistatakse püsimudeleid kasutades (vt keraamiline vorm), a precision casting process that employs permanent patterns and fine-grain slurry for making molds; unlike monolitic investment molds, which are similar in composition, ceramic molds consist of a cope and drag or, if the casting shape permits, a drag only (see: ceramic mold)