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.
Recommend to read
VIBRATION AND QUALITY
The denser the stack will be the builders of the concrete, the stronger will be the monolith. That is why in industrial and housing construction in the manufacture of precast concrete...
EASY AND CONVENIENT
The voltage is from 1 to 12 In intervals of a single oxen allows to obtain a transformer, the circuit of which is shown in the figure. If desired, the switching is easy to implement...
