rat wiki:
>Ram air turbineRadio access technologyRemote administration toolRemote access terminalRelease after transmision (Token ring)Rock Abrasion Tool of the MER-A (Spirit) and MER-B (Opportunity) Mars rovers.
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silhouette wiki:
houette is a view of an object or scene consisting of the outline and a featureless interior. The term comes from Ãtienne de Silhouette, Louis XV's miserly finance minister.
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