When welding two metal or plastic pipes, there is often a need to pre-cut them to the desired angle for proper docking. How to mark this angle on the tube?
It turns out that the easiest way to make using paper strips, wrapping her pipe, or piece of paper on which the protractor is marked to the desired angle of cut, place the pipe and the cutting line is carried out with pencil or Scriber the line of the future joint.
Recommend to read
VALVE OF THE ENGINE FOR THE MAP
Since the invention of engineer D. Zimmerman of the GDR flat disk of the spool to control the inlet of the working mixture in two-stroke engines, slide valve gas distribution has found...
UNIVERSAL PLATFORM
FOR HIGH-SPEED RADIO CONTROLLED MODEL WITH INTERNAL COMBUSTION ENGINES. Model of class "Grand Prix", which the figure shows a contour is given in scale of 1 :8. Engine — the meteor-MD-5,...
