
In construction you often have to deal with the internal measurements. For example, to determine the distance between the form panels, the value of the window or doorway. A good assistant in such cases would be sliding ruler, made of tube and metal rod with applied risk.
V. ANTIPIN
Recommend to read
A CHAIR FROM THE MATTRESS
When the child grows out of cot, its mattress can be used for making original floor chairs without legs and frame, it meets the teenage spirit interior. Chair-mattress is placed...
“ROTOR” FOLD “WINGS”
Model rotocut of the champion of Russia 2003 G. A. Reshetnikova — further improvement of "sergievskoe" scheme, developed in tstt "Youth" under the leadership of the deserved trainer of...