To hold the centerline on the workpiece will help the device shown in the figure.
Recommend to read
“GROUPASS” BUSINESS AND SPORTS
As a rule, the structures of velomobiles made by DIY enthusiasts correspond to their intended use. That is, if a velomobile is designed for sports, high-speed races, then all its...
THE GAZEBO UNDER THE TENT
For many years in his garden plot as a temporary shelter for the summer we built a wooden frame and pulled at his canvas tent. But every time it ended, he to the end of the season were...