To hold the centerline on the workpiece will help the device shown in the figure.
Recommend to read
OF A SITUATION?
Should show gumption, hard work, and — contrary to well-known saying — that could be from the waste pipe very good... gardening tools. And with minimal production costs. The published...
GARDEN PATHS
Garden paths at the cottage or the mansion was just as necessary and sidewalks in the city. As a rule, these tracks build from individual concrete slabs with sizes of 400x400 mm and...