A mesh network of temperature probes which measures the internal temperatures of compost piles and wirelessly transmits the temperature data to a computer; Accumulators; Accumulators and batteries; Acidimeters for batteries; Adapter plugs; Aeronautical radio communication machines and apparatus; Amplifier for wireless communications; An optical metrology inspection system comprised of a light source, one or more cameras and sensors in communication with computer software and hardware; Anode b...