Nibihe byiza byo hejuru bya caster bikora kwisi yose?

Casters nkizwi na rubanda nkinganda, ariko ikoreshwa ryubuzima ahantu hose, ugereranije n’imyaka icumi y’amahanga y’inganda za caster, inganda zo mu gihugu zatangiye bitinze. Ku rwego mpuzamahanga, ikirango kimaze ibinyejana gikunze kwandika ubuziranenge mwisi, umubare munini wibisabwa muri caster kumasoko yo mu rwego rwo hejuru, mumyaka yashize, ingaruka zo murugo imbere murwego rwohejuru, mumasoko yohejuru kuva kera yatangije impinduramatwara. Muri iyi serwakira yamaraso, ni ibihe bicuruzwa bishobora guhagarara kugeza imperuka, ntituzi, ariko kubijyanye nubwiza, ibyo birango ugomba kwitondera.

Itsinda rya Colson
Itsinda rya Colson ni rimwe mu bihugu biza ku isonga mu gukora ibicuruzwa biva mu mahanga, byashinzwe mu 1885.Isosiyete ikora imashini zikoresha ibintu byinshi birimo ibikoresho by’ubuvuzi, ibikoresho by’ibikoresho, ibikoresho by’inganda, imashini n’ibindi. Ubwiza bwibicuruzwa byabo burigihe bwashimiwe cyane nabakiriya babo kandi isosiyete ifite umuyoboro wogukora no kugurisha kwisi yose kugirango utange serivisi nziza mbere yo kugurisha na nyuma yo kugurisha kubakiriya babo.

Ihema
TENTE ni uruganda rukora caster rukorera mu Budage rwashinzwe mu 1923.Ibicuruzwa byabo birimo ubwoko butandukanye bwa kasitori nko kwifungisha, kwikorera imitwaro iremereye, kuyobora abayobora, gutwara moteri, nibindi byinshi. Isosiyete yibanda ku guhanga udushya n’ubuziranenge, kandi ibicuruzwa byabo byamenyekanye cyane kandi byizewe ku isi hose.

Albion
Albion ni uruganda ruzwi cyane rwa caster muri Amerika, rwashinzwe mu 1947. Ibicuruzwa byabo bikoreshwa mubikoresho byubuvuzi, ibikoresho byinganda, ibikoresho byo gucuruza nibikoresho, nibindi byinshi. Isosiyete yibanda ku bwiza bwibicuruzwa na serivisi kandi ihora yiyemeje gutanga ibicuruzwa byiza na serivisi nziza kubakiriya babo.

YTOP / Zhuo Ye

Zhuo Ye manganese ibyuma byashizweho mu 2008, nubwo ubukuru bwinganda bukiri buke, ariko ubundi buryo, mubikorwa bya caster byafunguye inzira nshya. Zhuo Ye, ikozwe mu byuma bya manganese, izwi cyane kubera ubuziranenge ku isoko ry’imbere mu gihugu, ishimwa cyane n’abakiriya kubera ubuziranenge bwayo buhebuje, ubwiza bwa gisirikare, igishushanyo mbonera ndetse na serivisi nziza mbere yo kugurisha na nyuma yo kugurisha. Ibyuma bya manganese byakozwe na Zhuo Ye byateje umuyaga mushya ku isoko ryUbushinwa. Mu bihe biri imbere, inganda za caster zo mu Bushinwa zihagarariwe na Zhuo Ye zizaba zishingiye ku bwiza ku isoko mpuzamahanga.