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
PROFESSION “PART-TIME”
The unit, working two or three hours a month, can cause at best confusion, and yet well known vacuum cleaner is used in this way useless waiting in the pantry. Having built the design...
RC “TRAINER”
Simple, easily repaired, volatile, inexpensive... That's only part of the requirements for training RC model aircraft. These requirements are fully satisfied "Trainer-RC" — RC plane...