Gukora rubber tube kuva mumwaka wa 1992.Dutanga umuyoboro mwiza ushobora gukoreshwa nkurubura rwimbeho mugihe cyimbeho, kandi urashobora no gukoreshwa nkumuyoboro wo koga mugihe cyizuba.Nyamuneka twandikire kubyerekeye ibisobanuro birambuye.
Igihe cyo kohereza: Jun-08-2021