Computers; Radios; Eyewear; Optical apparatus and instruments; Wires, electric; Data transmission cables; Magnetic wires; Cable installations for the transmission of data; Identification threads for electric wires; Electric extension cables; Electric extension leads; Connections for electric cables; Electric cables; Electric cables for use with telecommunication apparatus; Flexible electric cables; Electric adapter cables; Battery cables; Electrical communications cables; Electrical connecting cables; Electronic cables