Abstract: A dishwasher includes a casing having right-hand and left-hand side walls and two concave portions formed in the lower portions of the side walls, respectively. The concave portions have pipe passing openings formed in walls defining the concave portions, respectively. Each pipe passing opening is contiguous to the interior of the casing. A main feed pipe is disposed in the casing and has two ends. A water supply connecting pipe has a part located in either one of the concave portions and caused to pass through the pipe passing opening in the condition that the part has been located in either concave portion so that one of its two ends is guided into the casing and connected to the end of the main feed pipe located in the casing.

Abstract: A cooker includes a body having a heating compartment therein, and a door attached to the body to open and close the heating compartment. The door is locked in a closed position by a lock mechanism. When the door is to be opened, the lock mechanism is electromotively released by first release mechanism, or released by external mechanical force through a second release mechanism.