Have you ever had an electronic device that acts weird only when it rains? The screen flickers. The sensor gives a bad reading. The car window won't roll down. Then, the sun comes out, the device dries, and it works perfectly again. Engineers hate this. They call it a "No Trouble Found" (NTF) failure. You send the part back to the lab, and it passes every test. But the failure w... https://cometenvirons.com/