To hold the centerline on the workpiece will help the device shown in the figure.
Recommend to read
SK-3 “KRASNAYA ZVEZDA”
Glider is a single cantilever monoplane with upper wing. The fuselage is pear-shaped, oval cross section, is formed by 15 frames, has two spars (top and bottom) a cross section of 10X10...
SHEET ADD
Usually a heavy box, container or pallet with a load attaching to a lifting mechanism using four ropes-slings; lumber, pipe of large diameter it is possible to raise two. If you...
