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
SHOVEL-DUMPER
It would seem that so simple a tool is the shovel, that to change it or to improve its design is hardly possible. Yes, the handle of the bayonet - that's the device. However, there are...
“JEEP” FOR THE TWINS
The "toy" industry is developing in exactly the same way as "adult", and tries to use it to create new and new designs of many of the achievements of modern science and technology. This...
