The kukumba njira ya excavator

Kubwera kwa nthawi yamakina, patsamba lililonse ndife zida zodziwika bwino zofufutira,Chifukwa chakuchita bwino kwambiri komanso magwiridwe antchito ambiri, chakhala chida chomwe chimakonda kwambiri ntchito zambiri. Ndiye kodi wofukulayo ali ndi luso lotani pokumba nthaka?

Pokumba dziko lapansi, pali luso, lomwe nthawi zambiri limakhala ndi silinda ya ndowa ngati yayikulu, yokhala ndi silinda yamanja yosunthika ngati chowonjezera, mbali ya dzino la ndowa iyenera kusinthidwa molingana ndi njira ya ndodo ya ndowa. Dzino la ndowa lilowedwe m'nthaka ngati masamba odula mpeni m'malo mogunda m'nthaka.

Ngati ndi m'mphepete mwa dothi, ndipo dothi ndi lolimba, ndi bwino ntchito awiri kapena atatu chidebe mano kudula nthaka, ndiyeno kukumba.Pakatsegula galimoto kapena ntchito zina kothandiza, kukumba nthaka chidebe chilichonse ayenera kukhala odzaza, kukweza chidebe, yesetsani kusiya mayendedwe ena onse, kokha limodzi lathunthu kugwedezeka kayendedwe, kotero kuti kugwedezeka kwa liwiro lidzakhala lothamanga pang'ono, koma dothi lotseguka lidzakhala losasunthika pang'ono, koma chidebe chotseguka chimakhala chozungulira kwambiri. inertia sipangitsa nthaka kugwa kumbuyo kwa ndowa, ndipo ndowa imatseguka mofulumira pamene dothi likutsitsa.

1897

 

Kuchokera apa tikutha kuona kuti wofukula bwino amafunikanso kukhala ndi luso logwira ntchito. Kupyolera mu mfundo zosiyanasiyana za chidziwitso ndi luso lazochitikira, tikhoza kugwiritsa ntchito bwino chofufutira kuti timalize ntchitoyi.


Nthawi yotumiza: Sep-24-2019