MTV - Music Television.
WWW - World Wide Web.
BFF - Best Friend Forever.
CD - Compact Disc.
DVD - Digital Video Disc.
HBO - Home Box Office.
GPS - Global Positioning System.
3D - Three Dimensions.
RRR - Reserves Replacement Ratio.
VIP - Very Important Person.
NASA - National Aeronautics and Space Administration.
RADAR - Radio Detection And Ranging.
LASER - Light Amplification by Stimulated Emission of Radiation.
SCUBA - Self-Contained Underwater Breathing Apparatus.
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Espero ter ajudado, não esqueça depois de colocar como "Melhor Resposta".