A mesh network of temperature probes which measures the internal temperatures of compost piles and wirelessly transmits the temperature data to a computer; Blank electronic storage media; Electronic black boxes for recording data; Electronic data loggers; Electronic data recorders; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Laser measuring systems; Measuring couplings for measuring temperature, pressure, quantity and concentration of fluids in hydraulic or pneumatic systems; Pressure recorders; Temperature indicator labels, not for medical purposes; Temperature indicators; Temperature meters not for medical use; Temperature sensors; Temperature sensors used in the medical field to measure temperature of medical solutions; Temperature switches; Wearable electronic proximity sensors with embedded contact tracing software for monitoring and alerting of social distances and distance measuring among wearers; Wireless electronic devices for locating and tracking personal objects, wallets, backpacks and luggage