Ndodo ya ulusi, yomwe imadziwikanso kuti stud, ndi ndodo yayitali kwambiri yomwe imakongoletsedwa mbali zonse ziwiri;ulusiwo ukhoza kupitirira utali wonse wa ndodoyo.Zapangidwa kuti zigwiritsidwe ntchito pazovuta.Ndodo ya ulusi imakhala ndi ntchito zosiyanasiyana zomwe zimafuna kukhazikika kwa ulusi, kuphatikiza zingwe, ndodo zomangira, zomangira, zomangira nangula, ma bolt a U, ma eyebolt, ndowe, ndi zina zambiri.Kugwiritsa ntchito ndodo za ulusi kumaphatikizapo kumangirira cholinga chilichonse kuyambira pa bawuti ya nangula kupita ku bawuti.
Mphamvu Zowonetsa:
1. Zogulitsa zimagwiritsidwa ntchito kwambiri mu ndege zachitsanzo, hardware, kuyatsa, zidole, bafa, mipando, mankhwala, masewera, makina ndi ntchito zina.
2. Katswiri wopanga zomangira zosiyanasiyana, zopangira ma hardware ndi zomangira zolondola, zomangira zazing'ono, ma rivets ndi mtedza, ma stamping ndi zinthu zina.
3. Kampaniyo ikupitirizabe kuyambitsa zamakono zamakono ndi zipangizo kunyumba ndi kunja, ndi mapangidwe apamwamba a luso ndi gulu la R & D.