A square lid consisting of two trapezes, when the lid is opened by lifting one of the trapezes through the hinges on which it is made. The lid consists of two square covers forming a larger rectangle.
Note the similarity of this lid to a cover from another country (which is also used in the communications industry) Click for cover's details
du is the trade name of the Emirates Integrated Telecommunications Company (EITC), a communications company operating in the United Arab Emirates