To clean the inside of the tube or a long narrow cavity is not so simple. This can help “brush” like how to wash their bottles, only to make it necessary from segments of a steel cable. The work will go faster if cleaned using a drill, securing it in the Chuck end of “brush”.
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BIPLANE “GRASSHOPPER”
Building my own plane has been my dream since childhood. However, I was able to implement it not so long ago, although I paved the way to the sky in military aviation, and then on a...
ACCORDING TO THE PRINCIPLE OF COMMUNICATING VESSELS
...it is possible to make a device for determining the marks in the construction of garden buildings. For this you will need a long hose with transparent bits filled with water.
