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
Overrunning Clutches Instead of a Differential
The need to have a nimble and reliable motorized assistant at my personal disposal I (like, probably, many others in a similar situation) felt with particular acuteness when I became the...
WILL FLOAT… RESINOID
In the soul of every boy living Navigator, so any rain brook — is a river, and a large puddle is a sea calling out to let the boats from the simplest of chips or a sheet of paper, to...
