computer network hubs, switches and routers; Internet of Things (IoT) devices, namely, temperature sensors, thermal sensors, liquid level sensors, pressure sensors, light sensors, optical sensors, infrared sensors, motions sensors, distance sensors, proximity sensors, velocity sensors, timing sensors and pollutant sensors; computer network hubs, switches and routers for connecting computer network servers to Internet of Things (IoT) devices, namely, temperature sensors, thermal sensors, liqui...