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  2. Sound transmission class - Wikipedia

    en.wikipedia.org/wiki/Sound_transmission_class

    Sound transmission class. Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. Outside the US, the ISO Sound Reduction Index (SRI) is used.

  3. Single sign-on - Wikipedia

    en.wikipedia.org/wiki/Single_sign-on

    Conversely, single sign-off or single log-out (SLO) is the property whereby a single action of signing out terminates access to multiple software systems. As different applications and resources support different authentication mechanisms, single sign-on must internally store the credentials used for initial authentication and translate them to ...

  4. Supplemental type certificate - Wikipedia

    en.wikipedia.org/wiki/Supplemental_type_certificate

    Supplemental type certificate. A supplemental type certificate ( STC) is a civil aviation authority -approved major modification or repair to an existing type certified aircraft, engine or propeller. As it adds to the existing type certificate, it is deemed "supplemental". In the United States issuance of such certificates is under the purview ...

  5. Supraventricular Tachycardia (SVT): What Is It? - WebMD

    www.webmd.com/heart-disease/atrial-fibrillation/...

    Supraventricular tachycardia (SVT): An arrhythmia causing faster heartbeats, palpitation, giddiness & breathing difficulties. Learn symptoms, causes & treatment.

  6. South Texas College - Wikipedia

    en.wikipedia.org/wiki/South_Texas_College

    South Texas College (STC) is a public community college in the Rio Grande Valley region of South Texas. It is accredited by the Commission on Colleges of the Southern Association of Colleges and Schools to award Bachelor of Applied Technology, Associate of Applied Science, Associate of Arts, and Associate of Science degrees.

  7. Public buses of Singapore - Wikipedia

    en.wikipedia.org/wiki/Public_buses_of_Singapore

    The STC later phased in motorbuses in 1929 when seven Dennis G-type buses began plying between Geylang and Finlayson Green before being transferred to serve Seletar. However, the STC faced heavy competition from “mosquito-buses”, a form of informal paratransit operated using privately owned modified Ford Model T vehicles.

  8. Saudi Telecom Company - Wikipedia

    en.wikipedia.org/wiki/Saudi_Telecom_Company

    Saudi Telecommunication Company (stc) was established as a Saudi joint-stock company on 21 April 1998 and began operations of telecommunications services throughout Saudi Arabia on 2 May 1998 as a wholly owned entity of the government of Saudi Arabia. [4] [5] stc received commercial registration as a Saudi Joint Stock Company on June 29, 1998 ...

  9. Fix problems signing in to AOL Mail - AOL Help

    help.aol.com/articles/fix-problems-signing-in-to...

    Fix problems signing in to AOL Mail. While most sign in problems can stem from password issues, you might also get blank or missing screens, or various errors when trying to sign in. No matter the problem you're experiencing, the following troubleshooting steps should help you get back in your AOL Mail quickly.