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LenelS2 is the global leader in advanced physical security solutions, including access control, video surveillance and mobile credentialing. We innovate products, systems and services to address the most complex, evolving needs of some of the world's most demanding organizations.
The second sound (S2) is made of two component sounds: Aortic valve closure (A2) which happens first. Pulmonic valve closure (P2) which happens second. A2 is heard widely all over the chest. So when you hear 'S2' at the mitral area, you are really hearing A2.
S2 Underground. Welcome to the Official channel of the S2 Underground Project! 450 man-hours, 107 books, and 3 copyright strikes later, we finally have our latest video.
Take listening to the next level with Sonos S2. Enjoy higher-res audio, an improved design, better security, new features like saved room groups, and smarter software to keep your system up to date.
Sacral spinal nerve 2, a spinal nerve of the sacral segment. Schedule 2, an Australian legal category assigned to drugs; See Standard for the Uniform Scheduling of Medicines and Poisons. S2, the second sacral vertebrae. S 2 (heart sound), a sound in cardiac auscultation.
Mar 9, 2018 · Astronomers report no companion found for S2, the star orbiting near our Milky Way's central black hole. It's an "all-clear” for an exciting test of Einstein’s Theory of General Relativity.
