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
SHIELD AGAINST RUST
Even well coloured barrel for rainwater, if it is to stand on the ground, will quickly rust away. Usually under the bottom enclose the bricks, but this is of little help, since the...
PROTECTION FROM LEAVES
Drain gutter under the roof of a cottage or garden house with the arrival of autumn bad weather clogged up with fallen leaves and fragments of branches. Well, if the shrewd owner will...
