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
FORM FOR RIVETS
Offer a simple way for the manufacture of rivets. You must take two of the steel area of any size, clamp in a vise and drill the desired diameter, drill out the holes and then...
HISPANO-SUIZA K8
"Lulls you into soft swing blue "Spanish-Suiza" — these lines from a song of Alexander Vertinsky characterize the car is very well known in the first half of the last century firms...
