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Izitimela zesitimela kanye nobuchwepheshe bomhlangano
Ama-radiator asezimbonini avame ukutholakala ezitimeleni.Izitimela zikhiqiza ukushisa okukhulu ngenxa yezinjini zazo nezinye izakhi zemishini.Ama-radiator asetshenziselwa ukuqeda lokhu kushisa futhi avimbele isitimela ukuthi singashisi ngokweqile.Isistimu yerediyetha ku-locomotive ngokuvamile iqukethe uchungechunge lwamaphiko okupholisa noma amashubhu lapho isipholile sizungeza, sidlulise ukushisa kude nenjini futhi sikukhiphele emoyeni ozungezile.Lokhu kusiza ukugcina izinga lokushisa elilungile lokusebenza futhi kuqinisekisa ukusebenza kahle kwesitimela.
