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
THE LAST CAR OF THE LEADER
Executive cars, leading descended from the Royal gilded carriage ride with the "power plant" of about a dozen horses in harness, appeared at the beginning of the XX century. And they...
Mini tractor: from design to plowing
"Manual labor — to the shoulders of machines!" — under this headline, materials from the All-Union Conference of VISKHOM named after V. P. Goryachkin were published in our magazine (see...
