PPGI icyumani ibyuma bisya ibyuma bisizwe hamwe n’ibicuruzwa biva mu buhinzi, kubera ibyiza byayo birwanya ruswa, birwanya ikirere ndetse n’imiterere myiza, bikoreshwa cyane mu bwubatsi, ibikoresho byo mu rugo, imodoka n’izindi nganda. Amateka yamabara yatwikiriye amabara yatangiriye muntangiriro yikinyejana cya 20 kandi yari yarateguwe kugirango akemure ikibazo cyo kwangirika kwicyuma cyometseho ibyuma bitose. Hamwe no gukura kwikoranabuhanga rya galvanizing, ibyuma bya galvanised byakoreshejwe cyane kumasoko.
Mu myaka ya za 1960, igitekerezo cyaibara ryuzuye ibarayatangiye kugaragara, kandi abayikoresheje bakoresheje tekinoroji yo gutwikira kugirango bongere amabara hamwe nuburinzi kubisahani byuma, byujuje ibyifuzo bibiri byisoko kubwiza no kuramba. Muri iki gihe, impuzu nyamukuru zikoreshwa ni ahanini zishingiye ku mavuta, nubwo zifite inyungu zimwe na zimwe mu mikorere, ariko kurengera ibidukikije n’umutekano biracyakenewe kunozwa.
Mu myaka ya za 1970 na 1980, hamwe n’iterambere ry’ikoranabuhanga rya sintetike hamwe n’ikoranabuhanga rya coating, gahunda y’umusaruro wa PPGI yarakomeje kunozwa, gufatira hamwe, kurwanya ruswa no guhangana n’ikirere by’imyenda byiyongereye ku buryo bugaragara, kandi amabara atandukanye hamwe n’imiterere y’igitambaro byagaragaye ku isoko kugira ngo bihuze ibyifuzo by’abakiriya batandukanye. Muri kiriya gihe, PPGI yatangiye gukoreshwa cyane murikubaka ibisenge n'inkuta, kuba igice cyingenzi cyubwubatsi bugezweho.
Nyuma yo kwinjira mu kinyejana cya 21, guteza imbere ubukangurambaga ku bidukikije ku isi byatumye inganda zisiga amarangi zitera imbere mu cyerekezo cyo kurengera ibidukikije n’ibidukikije. Ababikora benshi batangiye gufata amazi ashingiye kumazi hamwe nudukoko twa organic organique kugirango bagabanye ingaruka kubidukikije. Ihinduka ntabwo ritezimbere umutekano wa PPGI gusa, ahubwo rituma irushanwa ku isoko. Muri iki gihe, umurima wo gusaba wa PPGI warushijeho kwagurwa kugira ngo ushyiremo inganda nyinshi nk'ibikoresho byo mu rugo ndetse n’imodoka zikoresha imodoka, byerekana ubukuru bwazo mu buryo butandukanye no guhuza n'imiterere.
Twandikire kubindi bisobanuro
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Hamwe niterambere ryiterambere rya siyanse nikoranabuhanga, ibyerekezo byiterambere bya PPGI ni binini. Kwinjiza ibikoresho nubuhanga bishya bizatera PPGI kumikorere myiza niterambere ryangiza ibidukikije. Hamwe no gushimangira inyubako zirambye nigishushanyo mbonera, PPGI biteganijwe ko izagira uruhare runini muri utwo turere.
Muri make,PPGI ibara ryuzuyebabaye ibikoresho byingirakamaro mu nganda zigezweho hamwe nibyiza byabo bifatika kandi bigaragara neza. Hamwe niterambere ryiterambere ryikoranabuhanga hamwe nimpinduka zikenewe ku isoko, ikoreshwa rya PPGI rizakomeza kwaguka, rizana byinshi bishoboka mubyiciro byose.
Igihe cyo kohereza: Ukwakira-12-2024