Bukatar, saboda sabon kofin thermos ba a yi amfani da shi ba, za a iya samun wasu kwayoyin cuta da kura a ciki, jika shi a cikin ruwan zãfi na iya taka rawa wajen kashe kwayoyin cuta, kuma zaka iya gwada tasirin insulation na kofin thermos a lokaci guda. Don haka, kar a yi amfani da sabon kofin thermos da aka saya nan da nan...
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