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
SHOT ACS. The YEAR 1938
The beginning of the great Patriotic war, the worker-peasant Red army came no powerful self-propelled artillery installations (SAU), although the Finnish war showed the urgent need. The...
HANG GLIDER CLUB “VYMPEL”
The first development, which we publish, is a universal glider of class "Standard", called "pennant-4". Characteristics, it is approaching to widespread machine "Brazil", but has a...