If you have a lot of time to measure the volume of the same liquid or granular materials, make the appropriate mark on the measuring circle, glued at the right level strips of adhesive medical tape. At the same time can be done on them and the labels which are specified died.
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PATH AND “EAST”
History of rocketry in our country today is widely reported in the local media. In my opinion, it is interesting it is stated in the book "Rockets and people" - B. E. Chertok (Publishing...
BIPLAN CHERNIKOV
Last summer, the head of the aviation club of the Vnukovo House of Culture (Moscow), amateur pilot Andrei Chernikov, demonstrated quite complex aerobatic maneuvers over the Razdolye...
