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Bitewe n'iterambere ry'ikoranabuhanga, gutunganya amabuye byagiye bigenda byikora buhoro buhoro, aho amabuye yimurwa ava kuri sitasiyo imwe ajya ku yindi hakoreshejwe umukandara utwara imizigo. Amabuye akoreshwa cyane mu bicuruzwa nko hasi, ku nkuta, ku meza ya kawa, mu kabati cyangwa...Soma byinshi»
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Umukandara wo guterura ni igice cy'ingenzi cy'umukandara, mu gihe cyo gukora, umukandara wo guterura ukorerwa ibintu bigoye cyane. Guhitamo umukandara wo guterura bishingiye ku miterere y'umurongo wo guterura, ibikoresho byo gutwara n'uburyo bwo kuwukoresha. Impamvu...Soma byinshi»
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Umusaruro n'itunganywa ry'ibicuruzwa bitekeshejwe birasaba cyane imikandara yo gutwara ibintu. Umukandara wo gutwara ibintu ugomba kuba wujuje ibisabwa mu rwego rw'ibiribwa, ariko kandi ugomba kuba ufite ubushobozi bwo guhangana n'ubushyuhe bwinshi, udashobora gutwarwa n'amavuta, udashobora guhagarara ku ruhande, kandi ugashobora koroha mu buryo bworoshye bwo guhagarara...Soma byinshi»
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Tuvuze ku maburushi ntabwo tumenyereye, kuko mu buzima bwacu amaburushi azagaragara igihe icyo ari cyo cyose, ariko iyo bigeze ku maburushi yo mu nganda hashobora kuba hari abantu benshi batazi byinshi, kuko amaburushi yo mu nganda mu buzima bwacu bwa buri munsi atakunze gukoreshwa, nubwo tudakunze gukoresha...Soma byinshi»
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Inganda zikora imiti zifite ibisabwa byihariye ku mikandara ikoreshwa mu gutwara ibintu ikenewe bitewe n’aho zikorera, nko kuba zigomba kurwanya ubushyuhe bwinshi, kurwanya aside na alkali. Ariko, bamwe mu bakora ibicuruzwa baguze imodoka zirwanya aside na alkali bashobora...Soma byinshi»
