There are many kinds of disc buckle, rare butterfly disc buckle, bud disc buckle, silk buckle, hollow-out disc buckle and so on. The clasp is still the same clasp, but the clasp on different styles of clothing expresses different dress language.
Dryer is pre cooled by the cold dry outgoing Air in the Pre-cooler re-heater (Air to Air Heat Exchange). It then passes to the Evaporator (Air to Refrigerant Heat Exchange) where it is cooled to final refrigeration systems.