THREAD-LOCK

the Stopper of a thermos under prolonged exposure to high temperatures over time, weakens and poorly kept in the neck of the vessel. A reliable lock can provide a strong thread or thin twine, if you skip through them made the top slot, so that the ends hung down to the threads on the body of the thermos. Sovintel now cap, don’t worry: the clamped thread thread securely retain the tube.