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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Opposed engine — beyond competition!
This two-cylinder engine, designated DD-700/40, was designed and built by Georgy Dorfman, head of the public design bureau "Aerosam". The motor turned out to be exceptionally successful:...
EASY PRESERVING
Preparation for the winter vegetables, fruits and berries in many cases, connected with great inconvenience due to the imperfections of technology and primitiveness kitchen appliances...
