vormi koostamine mitmest eraldi vormitud üksteise peale laotud vormist, mille täitmine toimub üldjuhul ühist püstkanalit kasutades, a foundry practice that makes use of both faces of a mold section, one acting as the drag and the other as the cope; sections, when assembled to other similar sections, form several tiers of mold cavities, all castings being poured together through a common sprue