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
- “PROSTHESIS” POINTS
The most frequent case in "bespectacled" — breaking the joint of a pair of glasses. Sometimes there are such designs that any can replace or repair is not possible. Offer a universal... - AN-2E
Perhaps the most original and unexpected modification of the biplane was a project of winged An-2E. Currently, a large number of An-2 aircraft put into storage, mainly due to the...