Relatively low cost asymmetric digital subscriber line service and auxiliary POTS service are delivered over extended distances, by a hybrid ADSL-SDSL architecture insertable between central office and remote sites of an ADSL system. The washingdrying machine uses heat supplied by the heat supplying means so as to promote evaporation of a fragrance source in the fragrance supplying means, thereby increasing efficiency in fragrance supply. Additionally, or alternatively, when a given grant is determined to be lost, a new grant is sent and the HARQ redundancy version is reset for the newly scheduled transmission. As a result, the buffer may be accessed by controllers in either processor system. Any pixel with a ratio above a threshold and in a segment with a length that exceeds a threshold length as potentially having block artifacts. The optical sensor has particular application in the pH determination of body liquids such as, for example, blood, plasma and serum.