Circuit breakers; Converters; Electric relays; Electrical connectors; Electrical plugs and sockets; Eye glasses; Humanoid robots with artificial intelligence; Inverters; Loudspeakers; Radio receivers and transmitters for monitoring and controlling light emitting diodes in a network of street lights and for processing emergency signals transmitted to individual street lights; Reflective safety vests; Safety helmets; Slide calipers; Smartphones; Smartwatches; Sun glasses; Switches, electric; Ti...