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
SARATOV “THE LANCERS”
Has become a matter of habit the appearance of the next articles on the subject of electric mobility. No wonder: in the USA the production of electric vehicles is 1/5 part of the...
STEERING THE MACHINE WITH THE MEMORY BLOCK
It differs from steering devices based on electromagnets less weight, reliable fixation of steering, more traction and efficiency. The memory block machine provides a return of the...
