Namhlanje makhe sithethe nge "thermal paper"!Umgaqo wephepha le-thermal ugqunywe kwiphepha eliqhelekileyo lesiseko se-particle powder, ukwakheka kwedayi ye-phenol engenambala okanye ezinye izinto ezine-asidi, ezahlulwe yifilimu, phantsi kweemeko ezishushu, ukunyibilika kwefilimu, umgubo oxutywe nombala we-reaction...
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