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
CANOEING LIKE THE INDIANS
"A canoe made of birch bark... the most convenient and easy means of transportation. The bark of one birch, typically enough for one canoe; they are in a suitable form that float on...
Mushroom growing by Grachev
Champignon cultivation began at least two hundred years ago. In the early 19th century these mushrooms were successfully grown by Petersburg market gardeners, with the peasant Osinin from...