Over time, the cork in the thermos like shrinks, it decreases in diameter and tightly stops clogging his throat. To restore the dimensions of the tube is possible by drilling it from the top blind hole and entering the back benches of thorn — wood truncated cone.
Recommend to read
A WAVE OF THE HAND
Not long ago, musical instruments even pop bands — be it saxophone, violin, accordion, piano, double bass and even a drum — gave his listeners a natural, "natural" sound. Today music has...
THE STORE LOADS
In Amateur practice when developing or establishing a device is often required to connect to it a certain load and still it is necessary to measure its output parameters. This scheme...
