The present invention aims at offering a mobile communication device allowing the user to identify the sender when the user selects or opens a mail in a mail list by outputting an image and music that have been registered to the address book. A housing has at least one fixed abutment surface, and at least one adjuster disposed in the housing for selective lateral slidable movement. The invention is further directed to methods of generating plants with an altered oil content phenotype. Both the cooling plates are parallel to each other so that the mount surfaces thereof are set in the same direction. A method for conducting remote subsurface inspections from above is also disclosed.