M'zaka zapitazi za 50, mothandizidwa ndi kukwera mtengo kwa ntchito komanso kuwongolera mosalekeza kwaukadaulo waukadaulo, kutukuka kwachangu kwa zida zopangira makina kwalimbikitsa kukweza kwa mafakitale ndi kupita patsogolo kwaukadaulo kwamakampani opanga, ndipo mafakitale ena kunyumba ndi kunja ali ndi mwayi. poyamba anazindikira kupanga makina okha. Sikuti zotsatira za chitukuko cha sayansi ndi luso, komanso mosakayikira kachitidwe chitukuko cha anthu masiku ano kulenga njira luso latsopano ndi kuthetsa zida choyambirira ndondomeko kudzera mosalekeza kusinthidwa luso zochita zokha. Kenako chepetsani mtengo, sinthani mtundu wazinthu ndikukulitsa luso la kupanga pogwiritsa ntchito makina opangira makina kwakhala mgwirizano wamakampani opanga, zomwe zikutanthauzanso kuti zofunikira pakupanga zida zodzipangira zokha zidzakhala zapamwamba. Poyerekeza ndi chikhalidwe chachitsulo chachitsulo ndi chimango cha aluminiyamu alloy timayerekeza.
