safety system support features
71RAID — This article is about the data storage technology. For other uses, see Raid (disambiguation). RAID, an acronym for Redundant Array of Independent Disks (originally Redundant Array of Inexpensive Disks),[1] is a storage… …
72petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
73Nintendo DS — This article is about the original Nintendo DS. For its second revision, see Nintendo DS Lite. For its third and fourth revisions, see Nintendo DSi. Nintendo DS …
74Marine VHF radio — A standard handheld maritime VHF, mandatory on larger vessels under the GMDSS rules …
75Bluetooth — This article is about the electronic protocol. For the medieval King of Denmark, see Harald I of Denmark. Bluetooth logo Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short wavelength …
76MXit — Developer(s) MXit Lifestyle (Pty) Ltd. Initial release 2007 …
77CANDU reactor — The CANDU reactor is a Canadian invented, pressurized heavy water reactor developed initially in the late 1950s and 1960s by a partnership between Atomic Energy of Canada Limited (AECL), the Hydro Electric Power Commission of Ontario (now known… …
78Space Shuttle external tank — A Space Shuttle External Tank (ET) is the component of the Space Shuttle launch vehicle that contains the liquid hydrogen fuel and liquid oxygen oxidizer. During lift off and ascent it supplies the fuel and oxidizer under pressure to the three… …
79Multilevel security — or Multiple Levels of Security (abbreviated as MLS) is the application of a computer system to process information with different sensitivities (i.e., at different security levels), permit simultaneous access by users with different security… …
80One World Trade Center — Freedom Tower redirects here. For other uses, see Freedom Tower (disambiguation). For the building complex destroyed in the September 11 attacks, see World Trade Center. For the specific WTC building formerly known as One World Trade Center, see… …
