In the holes drilled in a wooden tube in the concrete wall, there is always a lot of sand and dust. To remove them will help plastic or metal tube by simply inserting it into the hole and how to blow into it (but mind your eyes!).
S. DOROFEEV, p. vokhtoga, Vologda region.
Recommend to read
THE AIRBOAT: SCHOOL, SPEED
In modern modeling design aerovision championship-class technologies have gone far ahead, and currently only a handful of athletes capable of creating competitive devices. In the...
ASSAULT TANK AMERICAN
In January 1944, the headquarters of the U.S. army in Europe, stationed at the moment in the UK, was sent for consideration to Washington's urgent request to manufacture 250 heavy tanks...
