Magudumu a Wheel akagwiritsidwa ntchito limodzi ndi cholumikizira choluka ndi ulusi wakunja wamwamuna, malekezero ake amatsekera ulusi wakunja, mwina kuteteza ulusi kapena kuteteza zinthu zapafupi kuti zisakhudzidwe ndi ulusiwo. Kuphatikiza apo, dome limapereka mawonekedwe omalizidwa kwambiri.