Kupangidwa kwa unyolo wodzigudubuza

Malinga ndi kafukufuku, kugwiritsa ntchito maunyolo m'dziko lathu kuli ndi mbiri yazaka zopitilira 3,000.Kale, magalimoto oyenda ndi magudumu omwe ankagwiritsidwa ntchito m'madera akumidzi a dziko langa kuti anyamule madzi kuchokera kumalo otsika kupita kumalo okwezeka anali ofanana ndi maunyolo amakono a conveyor.Mu "Xinyixiangfayao" yolembedwa ndi Su Song ku Northern Song Dynasty, zalembedwa kuti zomwe zimayendetsa kuzungulira kwa zida zankhondo zili ngati chipangizo chotumizira maunyolo chopangidwa ndi chitsulo chamakono.Zitha kuwoneka kuti dziko langa ndi limodzi mwa mayiko oyamba kugwiritsa ntchito maunyolo.Komabe, mawonekedwe oyambira a unyolo wamakono adapangidwa koyamba ndikuperekedwa ndi Leonardo da Vinci (1452-1519), wasayansi wamkulu komanso wojambula pa nthawi ya Kubadwanso Kwatsopano ku Europe.Kuyambira pamenepo, mu 1832, Galle waku France adapanga tcheni cha pini, ndipo mu 1864, British Slater yopanda manja yodzigudubuza.Koma anali Swiss Hans Renault amene anafikadi pa mlingo wamakono unyolo kapangidwe kamangidwe.Mu 1880, adawongolera zolakwika zamaketani am'mbuyomu ndikupanga unyolowo kukhala unyolo wotchuka masiku ano, ndipo adapeza unyolo wodzigudubuza ku UK.chain invention patent.