Chifukwa chakukula kosalekeza kwaukadaulo wamakina otchinjiriza, kapangidwe ka ma motors kumafunikira kutulutsa kowonjezereka komanso kuchepetsedwa kwa voliyumu, kupangitsa mphamvu yotenthetsera ya ma motors atsopano kukhala ang'onoang'ono ndi ang'onoang'ono, komanso kuchulukirachulukira kumakhala kofooka komanso kofooka; ndipo chifukwa cha kuwongolera kwa makina opangira makina, ma mota amafunikira kuthamanga pafupipafupi m'njira zosiyanasiyana monga kuyambira pafupipafupi, kubowoleza, kuzungulira ndi kubweza, ndi katundu wosiyanasiyana, zomwe zimayika zofunikira zapamwamba pazida zodzitetezera. Kuphatikiza apo, ma mota ali ndi ntchito zambiri ndipo nthawi zambiri amagwira ntchito m'malo ovuta kwambiri, monga chinyezi, kutentha kwambiri, fumbi, zowononga, ndi zina zambiri. Kuphatikizana ndi zolakwika pakukonza magalimoto komanso zosiyidwa pakuwongolera zida. Zonsezi zapangitsa kuti ma injini amasiku ano awonongeke mosavuta kuposa kale.