Ekhulwini lesibili BC, iShayina isebenzise abantu futhi yasebenzisa amandla e-bamboo bow elastic ukwenza i-cone drill bit ithinte umhlabathi ukuze ibholwe. Kamuva, yasetshenziswa emaphandleni aseShayina isikhathi eside. Kwaze kwaba ngawo-1950 lapho kwaqala khona ukugaya imishini yokubhoboza ngentambo yocingo evela kwamanye amazwe. Ekuqaleni kwawo-1960, kwasungulwa imishini yokubhoboza elula yamanzi njengama-pot cones amakhulu namancane kanye nama-punch-grab cones. Cishe ngo-1966, kwaqala ukwakhiwa imishini yokubhoboza ejikelezayo ejikelezayo, imishini yokubhoboza ejikelezayo ejikelezayo kanye nemishini yokubhoboza ehlanganisiwe yathuthukiswa ngempumelelo cishe ngo-1974, kanti imishini yokubhoboza ejikelezayo egeleza phansi yasungulwa ngasekupheleni kwawo-1970. Amazwe aseYurophu naseMelika asebenzisa kakhulu imishini yokubhoboza izintambo yocingo ngekhulu le-19. Ngawo-1860, iFrance yaqala ukusebenzisa imishini yokubhoboza ejikelezayo ejikelezayo, kamuva eyathulwa e-United States futhi yathuthukiswa ngokushesha. Ngawo-1950, kwaqala ukwakhiwa imishini yokubhoboza ejikelezayo ejikelezayo ejikelezayo. Kamuva, kwavela imishini yokubhoboza ejikelezayo esebenzisa umoya ocindezelwe esikhundleni sodaka njengendawo yokuwasha imithombo. Ngawo-1970, kwasungulwa imishini yokubhoboza ejikelezayo yekhanda lamandla e-hydraulic.
Isikhathi sokuthunyelwe: Ephreli-26-2021
