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Cold-rolled coil yana nufin wani tsiri na karfe wanda aka yi birgima kai tsaye zuwa wani kauri mai kauri tare da nadi a yanayin zafin ɗaki kuma a yi birgima a cikin duka coil tare da na'ura. Idan aka kwatanta da naɗaɗɗen naɗaɗɗen zafi, naɗaɗɗen sanyi suna da haske mai haske da ƙarewa mafi girma, amma za su haifar da ƙarin damuwa na ciki kuma galibi ana goge su bayan mirgina sanyi.
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