To control the horizontal position of the parts and elements of building structures typically use a bubble level. To as, for example, to check the position of the roof ridge or panels, the spacecraft that are set to make the level impossible! The easiest level for these cases — conventional PVC tube with a diameter of 6 mm, better transparent. Fill it with water, directing the open ends up. According to the principle of communicating vessels, the level in both the knees are set at the same height, and hence the line connecting them will always be strictly horizontal.
I. KONOPLENKO, V. Lepetykha village, Kherson region.
Recommend to read
IRREPLACEABLE IN THE FALL
A horizontal strap, with teeth so attached to the middle of the handle — that, in fact, the whole design is as old as the world agricultural implement, without which no gardener-lover or...
WALLPAPER — TIGHTLY!
At pasting of walls or ceiling paper panels often their edges at the joints tend to come off. To avoid this, these places need to pre-note and paste them on paper strips (for example,...
