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Umuyaga uhendutse uhumeka kuri Precool imboga n'imbuto
Imashini itandukanya ubukonje nayo yitwa nkumuyaga uhumeka ushyirwa mubyumba bikonje. Ibicuruzwa byinshi birashobora gukonjeshwa mbere na firime ikonjesha. Nuburyo bwubukungu bwo gukonjesha imbuto, imboga nindabyo zaciwe. Igihe cyo gukonjesha ni amasaha 2 ~ 3 kuri buri cyiciro, igihe nacyo gikurikiza ubushobozi bwo gukonjesha icyumba gikonje.