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
SELECT THE TRANSFER
In the design business, like any other form of creativity, a person often have to take an unpaved path. This path is always difficult; it is only one who is fluent in the ways, methods...
GAS SOLDERING IRON
In the practice of the rally often faced with the necessity of soldering or welding. A few years ago I accidentally saw used for this purpose, benzopyrene production of the GDR, then had...
