Amatara yumuhanda nigice cyingenzi muri sisitemu zo gutwara abantu zigezweho, zifasha kugenzura urujya n'uruza rw'ibinyabiziga n'abanyamaguru ku masangano. Ziza muburyo bwinshi, buriwese ufite intego yihariye, ikoreshwa mugucunga ibinyabiziga no kurinda umutekano wumuhanda. Muri iyi ngingo, tuzasesengura ty zitandukanye ...
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