A fagen rejista, inganci yana da mahimmanci. Kowane bangare, daga kwampreso zuwa mai fitar da ruwa, yana taka muhimmiyar rawa wajen kiyaye yanayin sanyi mai kyau. Daya daga cikin irin wannan bangaren, na'ura mai kwakwalwa, yawanci ana yin watsi da shi amma shine instrum ...
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