... and Real Estate;Weather Stations; River Monitoring and Flood Control;Oil and gas pipelines; 10. Corrosion protection11. Temperatures, ... . Wellheads, boat, vehicle;13. Energy saving, street lights control system;14. Valve controls;15. Transformer stations; 16. Unmanned ... Level Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas ...