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.
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Offer a simple and quick way to repair umbrellas. The weakest point in any umbrella — zhelobkova spokes. They often get broken. Hold a piece of stainless steel tube Ø 6 mm and length 30...
