Intoki zidafite inzitizi zo kurwanya kugongana ni ubwoko bwintoki zitagira inzitizi zashyizwe ahantu rusange, nkibitaro, amazu yimibereho, amazu yita ku bageze mu za bukuru, amahoteri, ibibuga byindege, amashuri, ubwiherero n’ahantu nyabagendwa, kugirango bafashe abamugaye, abasaza na abarwayi kugirango bashyigikire kugenda no gukumira ibicuruzwa.
Intoki zidafite inzitizi zo kurwanya kugongana muri rusange zigabanyijemo uburyo bukurikira: intoki 140 zo kurwanya kugongana, 38 zo kurwanya kugongana, 89 zo kurwanya kugongana, 143 zirwanya kugongana hamwe n’intoki 159 zo kurwanya kugongana.Reka turebe ibiranga buri ntoki zifite.Iyi ntoki irwanya kugongana ni 38mm z'ubugari.Imiterere ya silindrike yakozwe muburyo bukwiye bwo gufata imikindo yumuntu.Nibyiza cyane gufata no gukoresha.Ubuso bwubuso bwongera ubwumvikane buke kugirango imikindo itose.Gufata udahwitse ni akaga.Ariko, kubera ubugari buto bwiyi ntoki, aho abantu bahurira na ho ni nto, ntabwo rero ishobora kugira ingaruka nziza yo kurwanya kugongana ku magare, ibitanda bigendanwa, intebe z’ibimuga, n'ibindi. Birakwiriye cyane mu mishinga yo gusaza kwabaturage, kandi irakoreshwa ubufasha bwo kugenda.
Ubugari bwiyi ntwaro yo kurwanya kugongana ni 89mm, imiterere yashizweho nkigitonyanga kimeze nk'igitonyanga, kandi hejuru yacyo ni nini kuruta iyo 38.Ariko, kubera ikibazo cyahantu hameze, ingaruka zayo zo kurwanya kugongana ni rusange, kandi muri rusange zikoreshwa muguhagarika ingaruka zintebe yibimuga.Niba ikoreshwa gusa mubufasha bwimikorere yabantu, iyi ni ihitamo ryiza duhereye kuburanga no gukoresha ingaruka.Mubisanzwe bikoreshwa mumishinga nkibigo bishinzwe ubumuga.
Iyi ntwaro yo kurwanya kugongana ifite ubugari bwa 140mm kandi ifite imiterere yagutse.Imikorere itaziguye yiyi shusho nuko ingaruka zo kurwanya kugongana zigaragara.Bitewe nuburinganire bwagutse buringaniye, biratandukanye muguhitamo amabara, kandi birashobora gutoranywa no gutegurwa ukurikije uburyo rusange bwo gushushanya.Birakwiriye cyane kubikorwa bya handrail yumurongo wibitaro.
Ubugari bwiyi ntwaro yo kurwanya kugongana ni 143mm, ni ukubera ko ari kare cyane.Iringana no guhuza moderi 38 na 89 moderi, kubwibyo inyungu zayo rero ni uguhuza byombi.Kubera ko hari ibikoresho byinshi byifashishwa, guhitamo ibara ryerekana amabara biratandukanye, ariko gushiraho biragoye.Mubisanzwe bikurikizwa mubitaro n'inzu zita ku bageze mu za bukuru.
Iyi ntoki yo kurwanya kugongana ifite ubugari bwa 159mm, hamwe no gufatira uruziga ku gice cyo hejuru hamwe n’ikibanza kinini cyo kurwanya kugongana ku gice cyo hepfo.Iyi ni ihuriro ryamaboko 38 yo kurwanya kugongana hamwe n’amaboko 140 yo kurwanya kugongana, abumbabumbwe mu gice kimwe, bitandukanye n’amaboko 143 yo kurwanya kugongana ahujwe ukwe.Iyi ntoki ituma umuntu yifata neza mugihe yongera agace ko kurwanya kugongana, kandi ingaruka zo kurwanya kugongana ziragaragara cyane.Kandi guhitamo ibara birakungahaye cyane, kandi birashobora guhuzwa byoroshye nuburyo butandukanye bwo gushushanya.Mubisanzwe birakoreshwa ahantu henshi nko mubitaro hamwe nubuvuzi hamwe nabaforomo.
