
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
“BACKSAVED” DEVELOPER
The owners of private houses or villas are often faced with the need to prepare concrete solutions. Mix in certain proportions water, gravel and cement — a simple matter, but very...
A NEW GENERATION OF GENERALISTS
By the mid 80-ies of XX century, the naval experts of the countries of the West had no doubt that the most advanced class of surface ships in the foreseeable future will remain the...