It is known that the pillars fences and foundations, even buried, in severe winters wimobaiausy: permafrost like pushes them out of the land.
To prevent this from happening, I suggest when you install them dig in next to the depth of the pit cut of any pipe, which is then to pour large salt. The upper section of the pipe at ground level covered with clay or cover plate.
G. ANDREEV, p. Shumikhinskiy, Perm region.
Recommend to read
SKLODOWSKI-CLAMSHELL
Not so long ago a Swedish doctor-hygienist B. Akerblom wrote the book on... of furniture, more precisely, about the simplest of its species on the chair. "Five thousand years of sitting...
STIRLING ENGINE
The Stirling engine is a heat engine invented by Robert Stirling in 1816. It differs from the internal combustion engine because the fuel burns outside the engine, making it much...