Line on writing or desktop has “property” in the right time to get lost in the pile of papers, drawings, details. Fasten to the edge of the table, two cloves, and even better — screw two small screws with round head (not clung to); in the line also make two cut so that they easily included screws. Now the ruler will always literally at hand and never lost.
Recommend to read
IN THE SKY — WITH THE ENGINE BEHIND
In the late 80-ies of the family of light vehicles with a mechanical drive (from motorcycles and snowmobiles to ALS) enriched by a new species ultralight aircraft, received the official...
ITALIAN SUBMARINE “MOSQUITOES”
"Dwarf" submarine or midget submarines occupy a special place in the underwater shipbuilding. Of them, in fact, grew large submarines with a displacement of tens of thousands of tons...
