Coaxial cables; Computer peripheral devices; Computer software for administration of computer networks; Electric connections; Electronic monitors for monitoring flowmeters; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Switchboards; Video recorders; Voltage stabilizing power supply; Wire connectors; Wires, electric; Data processing equipment, namely, couplers; Electric cables; Electric ...