A simple device for carrying a wide sheet materials are easy to make yourself, having at hand two, tee, four corners and three or four water pipe section.
Recommend to read
THE PRECURSORS TO SPACE FLIGHT
In September 1931 under the Central Council osoaviahima of the USSR in the Bureau of air technology was organized by the Group of jet propulsion study (gird). Its first Chairman was the...
DUCT TAPE.
Measure the length or perimeter of curved parts without special tools is not so easy. In this case, will sticky insulating tape, which is placed on the workpiece contour, and then,...
