1. Zomangira pazimene zimadziwika kuti mano a dzina lalikulu la ulusi; zomangira ndi ulusi pa mbali ya screw; pakugwiritsa ntchito screwdrivers kapena wrenches kutembenuza zomangira kumangitsa kapena kumasula mutu waukulu wa zomangira (zopangira) mutu; ntchito molumikizana ndi zomangira makina, pakati pa dzenje ndi ulusi, zomangira mu zomangira kum'mawa kutchedwa wononga kapu (nati). Kugwiritsa ntchito zitsulo zamatabwa (zomwe zimagwiritsidwa ntchito popanga matabwa, mtunda wa ulusi ndi waukulu, wokhala ndi nsonga), zomangira zokhazokha (zomwe zimagwiritsidwa ntchito kwambiri kugwirizanitsa matabwa, pulasitiki kapena pepala lachitsulo, ndi zina zotero) sizifunikira kugwiritsa ntchito mtedza.
2. Zomangira pazimene zimadziwika kuti mano a dzina lalikulu la ulusi; zomangira ndi ulusi pa mbali ya screw; pakugwiritsa ntchito screwdrivers kapena wrenches kutembenuza zomangira kumangitsa kapena kumasula mutu waukulu wa zomangira (zopangira) mutu; kuti mugwiritse ntchito ndi zomangira za makina.