Answer
Bayan tsarin jujjuyawar sanyi, zoben riƙewa na karkace yana ƙunshe da matsananciyar saura na ciki. Idan ba a kula da su ba, waɗannan matsalolin na iya haifar da zoben don 'ƙara' ko canza diamita na tsawon lokaci, musamman idan an fallasa shi ga zafi. Rage damuwa ya haɗa da dumama zoben zuwa kusan $650-750^{\circ}F$ ($340-400^{\circ}C$) na wani takamaiman lokaci. Wannan zafin jiki yana ƙasa da kewayon canji, don haka baya shafar taurin amma yana ba da damar ɓarkewar ciki don sake tsarawa da ragowar damuwa don tarwatse. Wannan yana tabbatar da cewa zoben yana kiyaye diamita na 'cling-fit' kuma ya kasance lebur. Don daidaitattun majalisu kamar masu hawan ruwan tabarau na gani, zoben da ba daidai ba wanda zai kawar da damuwa zai iya gabatar da karkatar zuwa ruwan tabarau na tsawon lokaci yayin da zoben ya 'tsare' zuwa siffarsa ta ƙarshe.
