valumasina pöörlemisteljega ühtiva sümmeetriateljega valandite tootmise protsess tsentrifugaaljõudude toimel ilma sisemise vaba pinna moodustumiseta; nii sise- kui ka välispind kujundatakse vormi elem, a casting technique used to produce castings with configurations determined entirely by the shape of the mold on all sides, inside and out, by spinning the casting and mold about its own axis; a verti