
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
WITH A BEAUTIFUL HEAD
Is all sorts of advice was on the use of caps and lids from unnecessary bubbles and tubes. Here's another — receiving beautiful shaped heads of bolts or nuts. Look at the picture....
ONCE AGAIN THE SHOVEL
A reader, after reading the title, will exclaim: "What can still come up, because the shovel, and wheel has upgraded to the limit!" It turns out that you can. Absolutely unexpected...