To cut with a hacksaw a thin tube, not securing them, very uncomfortable and tiring. However, if you have no grip on this case— do not worry: help out a pair of wooden sticks, with one end tied with twine or wire. You can sdelatj the bars cross the hollows for the pipe and place the coupler to attach the rubber pad to facilitate the unclamping of the bars with the release of the tube.
Recommend to read
SUN PROTECTION
If the solar rays fall on the thermometer, mounted outside window frame, it heats up and shows... its temperature, not the ambient air. To avoid this, protect the thermometer shade...
FLOWER WITH IRON PETALS
When you create a small mounted implements, hand tools for tillage, as well as in solving other technical problems of Amateur designers are often faced with the necessity of...