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
WE CATCH THE MOMENT OF IGNITION
Motorists know how important it is for diesel internal combustion engines proper installation of the moment of ignition — the ignition spark of the spark fuel in the cylinder before the...
RIBBON INSTEAD OF A PARACHUTE
Model rockets category S6. Four class comprises a category S6 — model rockets for flight duration with the tape. In my opinion, this category is captivating spectators and athletes...
