Intangiriro yo guterana

Gufata ibishishwa ni ibikoresho byingirakamaro bifatanye hejuru yububiko cyangwa ingirakamaro, bigira uruhare runini mukuzamura ubwiza bwubuso bwa casting. Abanyabukorikori ba mbere bo mu Bushinwa, hashize imyaka irenga 3000, bateguye kandi bakoresha neza ibishushanyo mbonera, bigira uruhare runini mu iterambere ry’ikoranabuhanga.

Hamwe niterambere ryumusaruro nikoranabuhanga, ibisabwa kugirango ubuziranenge bwa casting biriyongera umunsi kumunsi. Mu rwego rwo kuzamura ubushobozi bw’ibicuruzwa byabo, inganda nyinshi ziharanira ubushakashatsi ku mwenda bitewe n’ibibazo biri mu musaruro.
Ibikurikira, muri make kubyerekeranye no gutoranya ibibazo byinshi.

Ubwa mbere, ibintu bikomeye n'imbaraga zo gutwikira

Noneho, igipfundikizo gikoreshwa kumusenyi uhujwe bisaba ubunini bwacyo bukomeye nimbaraga nyinshi, ibyo biterwa ahanini nibitekerezo bibiri.

1. Hindura ibiranga ibumba ryumucanga
Mubihe byashize, umucanga wibumba wumusenyi utose ntabwo usiga irangi, irangi ryakoreshwaga gusa kumusenyi wibumba. Bitewe n'imbaraga z'umusenyi wibumba wumye ni muke cyane, kandi kugirango gukina casting nibyingenzi cyangwa binini, ibisabwa byo gutwikira ntabwo ari ugukora urwego rwiherereye gusa, kandi bisaba ko abinjira binjira mubutaka bikurikira, byiza birimo umucanga 3 ~ 4, kora ubuso bwububiko bwongerewe imbaraga, kubwibyo, ubwiza bwirangi ntibushobora kuba hejuru cyane, ibirimo bikomeye ntabwo biri hejuru cyane.

2. Tekereza kuzigama ingufu, kurengera ibidukikije no kugabanya ibiciro byumusaruro
Abatwara amazi akoreshwa mu gutwikira, cyane cyane amazi na alcool. Ibinyejana 20 70 ~ 80 umwanya, byari byarakoreshejwe ntibikeneye gukama cyangwa gutwika, birashobora guhindagura hydrocarbone yibyara chlorine, nka dichloromethane, nkuwitwaye amarangi. Kubera uburozi bwayo, ingaruka mbi zayo ku bidukikije uko ihumeka mu kirere, hamwe n’igiciro cyayo kinini, ubu ntabwo ikoreshwa cyane.

Icya kabiri, ibikoresho fatizo bikoreshwa mugutwikira

Hariho ubwoko bwinshi bwibikoresho fatizo bikoreshwa mugukata, kandi bizajya byuzuzwa buri gihe hashingiwe kumajyambere yinganda.

1. guteranya ibintu
Igiteranyo cyo guhunika ni ikintu cyingenzi mu gutwikira, kandi ubuziranenge bwacyo no guhitamo bigira uruhare runini ku mikoreshereze y’igitambaro. Muri icyo gihe, mugihe duhisemo igiteranyo, tugomba no gukora isesengura ryuzuye mubisuku byinganda nubukungu.

2. umwikorezi,
Abatwara ibintu nyamukuru bikoreshwa mugukata amakara ni amazi, alcool na hydrocarbone ya chlorine. Kugeza ubu, bitewe no gusuzuma ibiciro n’ibidukikije, bikoreshwa cyane muri chlorine hydrocarubone nkuwitwikiriye, rusange ni amazi ashingiye ku mazi hamwe n’inzoga zishingiye ku nzoga.