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Oil platform — A typical offshore oil/gas platform. An oil platform, also referred to as an offshore platform or, somewhat incorrectly, oil rig, is a lаrge structure with facilities to drill wells, to extract and process oil and natural gas, and to temporarily… … Wikipedia
Goliath transmitter — was a VLF transmitter of the German Navy near Kalbe an der Milde in Saxony Anhalt, Germany, which was in service from 1943 to 1945. It had a maximum transmission power of 1800 kW and was the most powerful transmitter at the time.HistoryFrom 1943… … Wikipedia
Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… … Wikipedia

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