An electromagneto-mechanical converter has winding teeth composed of a material which is suitable for carrying a magnetic flux of a magnetic circuit. In an example embodiment, a network switch assembly for network communications comprises a fabric blade. At least a portion of the UCUs are issued as a letter of credit in an electronic form, and the letter of credit is made available to a clearinghouse or a central counterparty via the network connection. The displaying of the always visible area may also resize new content that may be opened onto the computer desktop such that both the new content and the always visible area are visible on the computer desktop. A bypass conduit extends between a first location between the first evaporator and the compressor inlet and a second location between the second evaporator and the first port.