Kofin Wutar Lantarki Mai Dumama Kofin Kofin Dumi Mai Wutar Lantarki

Ya dace da kofi, shayi, madara, koko mai zafi ko kakin kyandir, ginanniyar firikwensin firikwensin nauyi tare da hasken mai nuna alama, babu jagorar kunnawa da ake buƙata, yana dumama abubuwan sha ɗinku zuwa madaidaicin zafin jiki (131°F/55°C).Ƙaƙƙarfan katanga, kofuna masu lebur na ƙasa suna ba da mafi kyawun riƙe zafi, kuma kofuna suna buƙatar auna fiye da 0.8lbs (13oz) don kunna maɓallin firikwensin nauyi.Thedumama farantinan rufe shi da gilashin gilashin thermal, don haka babu buƙatar damuwa game da amincin zubewar lokaci-lokaci, kuma yana da sauƙin tsaftacewa.