Buji, igikoresho cyo kumurika buri munsi, ahanini gikozwe muri paraffine, mubihe bya kera, ubusanzwe bikozwe mumavuta yinyamaswa. Irashobora gutwika kugirango itange urumuri. Byongeye kandi, buji zikoreshwa muburyo butandukanye: muminsi mikuru y'amavuko, iminsi mikuru y'idini, icyunamo cy'itsinda, n'ubukwe no gushyingura. Muri ...
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