Surley ni icyegeranyo cyambere yo kuvurwa no gushyuha hakoreshejwe electrophoresis Akazu ko guteramo spray itanura sisitemu yo kohereza Intebe yo gupimisha mu bwogero ikoranabuhanga ryo kurengera ibidukikije Ibikoresho aho abakozi bakorerashushanya byose mu iduka rimwe.
Umurongo wo gusudira umubiri
