valandite liivvormvalus masinvormimine vormkaste kasutamata (vt liivvormvalu, vormkast; vrd vormimine vormkasti, vormimine vormkastieemaldusega), без применения опок, an automated sand molding process in sand casting, in which molds are produced without the use of flasks (see: sand casting, flask; compare: flask molding, removable flask molding)