PE Umurongo Uhumeka Firime
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PE Umurongo Uhumeka Firime
Umurongo utanga umusaruro ukoresha PE ya granuels yinjira mu kirere nkibikoresho fatizo, kandi ikoresha uburyo bwo gukuramo ibishishwa kugirango ushonge-gusohora PE yahinduwe nikirere cyinjira