Impamvu inyamanswa zikenera amavuta y’amafi? 1. 99% yamafi y amafi asanzwe, ibirimo bihagije, byujuje ubuziranenge;2. Ubusanzwe yakuweho, idafite sintetike, amavuta yo mu rwego rwo hejuru;3. Amavuta y’amafi ava mu mafi yo mu nyanja, adakurwa mu mafi y’imyanda, andi mafi y’amafi ava mu mafi y’amazi meza, cyane cyane amafi y’imyanda;4. F ...
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