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
“FRENCH ELECTRIC”
The idea behind the project was never built submarine "Ero" physicist Marie-Davy, to supply its electric motor, it seemed very attractive. Indeed, what could be better than a virtually...
HOW TO MAKE GROUNDING
My story will consist of three parts. 1 part. Grounding system (General information, terms and definitions). Part 2. Traditional methods of construction of grounding devices...