Nkuko dushobora kubibona, ubu amatara yumuhanda wizuba akoreshwa cyane mumijyi no mucyaro nkamatara akoresha ingufu zizuba kugirango atange ingufu, zikoresha ingufu kandi zangiza ibidukikije. Kwagura t ...
Hamwe n’ibura ry’ingufu ku isi n’ibidukikije bigenda byangirika, ikoreshwa ry’ingufu nshya ryabaye inzira muri iki gihe no mu gihe kizaza. Imirasire y'izuba ni imwe mu mbaraga zikoreshwa cyane ...