Workpiece pamwamba kusalala. Makasitomala akamagwiritsa ntchito, nthawi zambiri amakumana ndi zokopa zambiri pamtunda wa gawolo. Poyankha izi, Anebon atenga njira zambiri. Ayenera kumalizidwa nthawi imodzi podula mbalizo. Processing Secondary ndi mmodzi-odulidwa kudula, samawoneka angapo processing. Ngati vutoli silingapewedwe, ndiye kuti pamwamba sidzakhala chowala kwambiri, koma padzakhala ndi kumverera kwa matte, kotero kuti zokopa zimakhalapobe.