Ni uruhe rufunguzo rwo kwiruka inzitizi?

Urufunguzo rwo gutambamira ni ukwihuta, aribyo kwiruka byihuse, no kurangiza inzitizi y'ibikorwa byihuse.

Uracyibuka igihe Liu Xiang yatsindaga metero 110 mu kwiruka mu mikino Olempike yo mu 2004?Biracyashimishije kubitekerezaho.

Irushanwa ryo kwiruka ryatangiriye mu Bwongereza kandi riva mu mukino abungeri bambukije uruzitiro.Yiswe inzitizi kandi yari iy'imikino y'abagabo.Inzitizi zo hambere zari uruzitiro rusanzwe.Hanyuma haje gari ya moshi zashyinguwe, hanyuma zihagararaho ibiti.Gusimbuka kuri izo nzitizi ni bibi, bikunda guhura nimpanuka kandi bikabuza kuzamura ubumenyi bwo kwiruka.

Kubwibyo, mu ntangiriro yikinyejana cya 20, hagaragaye ubwoko bwimukanwa bwimuka "orthogonal", buteza imbere iterambere ryikoranabuhanga.Mu 1935, hashyizweho imiterere ya “L” y'inzitizi, kandi inzitizi yazindukaga imbere y'ibiro bine by'ingufu.Imiterere ya "L" irumvikana kandi ifite umutekano, yakoreshejwe uyumunsi.

Share bamweamarushanwainzitizikuri buri wese.

* Uburebure bushobora guhinduka, ibice 5, 762.840,914,1000,1067 mm

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