It derives its name from the two rotating systems that are the basis of the design: the main engine at its base, which will put it into orbit, and the rotor on top, which will enable it to touch down gently.
ECONOMIST: On a rotor-blade and a prayer | The
Women form rotating credit systems to compensate for the absence of an accessible banking system.
BBC: Failed state: Can DR Congo recover?
These include systems of rotating expatriate assignments.
FORBES: Magazine Article
Conventional defence systems use one rotating radar unit to find a target and a second to subsequently track it for risk assessment.
BBC: News | In Depth | Military Fact Files
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