Tapa la Ulusi Wamanja Tapa la Machitidwe Atatu la Ulusi Lokhala ndi Ulusi Wokulungira
Imagwiritsa ntchito chitsulo choyenera kwambiri pa matepi opangidwa m'nyumba, ndipo imaphwanyidwa mosamala pambuyo poti yatenthedwa ndi vacuum cleaner nthawi zambiri. Ukadaulo womwe umagwiritsidwa ntchito ndi woyenera kukonza zitsulo zambiri. Imagwiritsidwa ntchito pamanja, makina obowola, ma lathe, makina oyera opopera, ndi zina zotero.
Kusintha ulusi wa Metric ndi screw ya inchi: pogwiritsa ntchito waya woyika ulusi kuti musinthe metric ←→inch ←→mabowo okhazikika padziko lonse lapansi okhala ndi ulusi, ndikosavuta kwambiri, mwachangu, kotsika mtengo komanso kothandiza, koyenera zinthu zilizonse zotumizira ndi kutumiza kunja.
Kukana kutentha ndi dzimbiri: Popeza pamwamba pa waya wolumikizira ulusi ndi wosalala kwambiri, zimatha kuchepetsa kukangana pakati pa ulusi wamkati ndi wakunja, ndipo chinthucho chili ndi mawonekedwe a kukana kutentha kwambiri ndi kukana dzimbiri. Chingagwiritsidwe ntchito m'zigawo zomwe nthawi zambiri zimang'ambika ndikuyikidwa ndikuzunguliza mabowo omwe nthawi zambiri amazunguliridwa kuti azitha kugwira ntchito nthawi yayitali.
Malo okulirapo onyamulira: Angagwiritsidwe ntchito pazigawo zoonda za makina zomwe zimafuna kulumikizana kwamphamvu koma sizingawonjezere kukula kwa mabowo a screw.
