user-operator maintenance
81Private branch exchange — A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as …
82P-61 Black Widow — Infobox Aircraft name = P 61 Black Widow caption = A P 61A 1NO of 419th Night Fighter Squadron type = Night fighter national origin= United States manufacturer = Northrop designer = first flight = 26 May 1942 introduced = 1944 retired = 1952… …
83Tippmann — Sports LLC Type LLC Industry Paintball Pneumatic Sewing Machines Industrial Founded Fort …
84Situation awareness — Situation awareness, or SA, is the perception of environmental elements within a volume of time and space, the comprehension of their meaning, and the projection of their status in the near future. It is also a field of study concerned with… …
85Aircraft Communication Addressing and Reporting System — Aircraft Communications Addressing and Reporting System (or ACARS) is a digital datalink system for transmission of small messages between aircraft and ground stations via radio or satellite. The protocol, which was designed by ARINC to replace… …
86Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
87SCADA — is the abbreviation for Supervisory Control And Data Acquisition . It generally refers to an industrial control system: a computer system monitoring and controlling a process. The process can be industrial, infrastructure or facility based as… …
88Closed-circuit television — CCTV redirects here. For other uses, see CCTV (disambiguation). For the Chinese television station, see China Central Television. Surveillance cameras on a corner. Closed circuit television (CCTV) is the use of video cameras to transmit a signal… …
89RAID — 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… …
90Foxtel — Management Pty Limited Type Proprietary limited joint venture Industry Satellite television Founded 22 October 1995 …
