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
“NEPROLIVAJKU” FOR PAINT
The simplest "neprolivajku" for the paint or varnish can be done EA literally two minutes, if you drive in a Board cut two nails and pull them rubber ring cut from a Bicycle or a car camera.
HOW TO MAKE “ZIMMERIT”
Anyone interested in the history of armored vehicles is well known that highly characteristic feature of the external appearance of the German tanks since 1943 was an anti-magnetic...
