HW HAOWORKS

Acoustic sound alarms; Batteries, electric; Dog whistles; Electronic collars to train animals; Horns for loudspeakers; Megaphones; Radios; Sonars; Switches, electric; Wires, electric; Cut-out switches; Electric switch plates; Electronic components in the nature of capacitors, connectors, relays, switches, transformers, resistors; Lock-out valves and switches for use in carbon dioxide fire suppression systems; Power switches