Abstract: An automatic dishwashing mechanism with a pivoting door that incorporates a push/pull door latch mechanism comprising a moveable strike plate and a positive-return cam. The cam movement is limited such that the door opening force and door closing force are independent of each other.

Abstract: The invention comprises an automatic dishwashing mechanism with a pivoting door that incorporates a push/pull door latch mechanism comprising a moveable strike plate and a positive-return cam. The cam movement is limited such that the door opening force and door closing force are independent of each other.

Abstract: Disclosed is a method of melting aluminum scrap and removing skim therefrom having reduced amounts of aluminum contained therein. Melted scrap and salt is added to a body of molten aluminum in a skim removal bay and a layer containing salt and skim is collected on the surface of the body, the layer containing high levels of molten aluminum in lower regions of said layer. The layer is treated so that upper regions thereof contain reduced amounts of aluminum, the treating aiding molten aluminum in the layer to return to the body. A portion of the treated layer is removed from upper regions thereof, the portion comprised of salt, skim and aluminum.