[. . . ] Warning: If the door, hinges/latches or door seals are damaged, the microwave must not be operated until it has been repaired by an authorized service person. [. . . ] To prevent this possibility the following steps should be taken: Warning: Liquids or other foods must not be heated in sealed containers since they are liable to explode. Warning: Some products such as whole eggs and sealed containers for example, closed glass jars may explode and should not be heated in this oven. Always pierce the yolk, then cover and allow the standing time of one minute before removing cover. Warning: Microwave heating of beverages can result in delayed eruptive boiling; therefore care Never use abrasive cleaners, commercial oven cleaners or steel wool pads on any part of the microwave oven. Cleaning the exterior Never use a knife or any utensil to remove deposits from the oven surfaces. This appliance must not be used on a non-earth protected power supply. [. . . ] The manufacturer declines any liability should this safety measure not be observed. [. . . ]