
Kusamuka kwakukulu, mpweya wopitilira, magwiridwe antchito amphamvu:
Injini ya dizilo, yokhala ndi mphamvu yoyendetsera mwachindunji kapena mphamvu yotumizira kwambiri, imapereka mpweya wopanikizika wopitilira muyeso, wokwanira mphamvu yapakati mpaka yapamwamba, kukwaniritsa zofunikira za zida zamagetsi zomwe zimagwiritsidwa ntchito kwambiri monga zobowolera pansi, zophulitsira madzi, ndi zida zophulitsira mchenga.
Kapangidwe kolimba, kosagwedezeka komanso kolimba:
Makina onsewa, omwe adapangidwa kuti agwirizane ndi momwe zinthu zilili pamunda, ali ndi kapangidwe kachitsulo kolimba. Zigawo zazikulu zimatetezedwa ku kugundana ndi fumbi, zomwe zimathandiza kuti zipirire mayendedwe amisewu okhala ndi mikwingwirima komanso malo ogwirira ntchito okhala ndi fumbi komanso kugwedezeka kwambiri, zomwe zimasonyeza kulimba kwambiri.

