If you do not have a vial or bottle with a screw cap, and be sure to provide a “blockage guarantee” when transported, for example, acid or antifreeze in the trunk of a car or sunflower oil in a shopping bag, use cord: knotted proposed method, it will securely hold a conventional tube of any vibrations.
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SCREW TIGHTLY
In cases when you want to prevent turning of the screw, screwed into a Board or plywood, I use a very simple way. Of stiff wire or a nail, whose diameter corresponds to the width of the...
EASILY AND SILENTLY
To facilitate the movement of hooks for hanging curtains on the dural rail-ledge, offer to replace the metal calesini on the plastic, cut from a tube of suitable diameter. M. ASHKIN
