user-operator maintenance
21Roaming — In wireless telecommunications, roaming is a general term referring to the extension of connectivity service in a location that is different from the home location where the service was registered. Roaming ensures that the wireless device is kept …
22Perl — This article is about the programming language. For other uses, see Perl (disambiguation). Perl Paradig …
23Booting — This article is about bootstrapping operating systems. For the general concept, see Bootstrapping. For other uses, see Booting (disambiguation). In computing, booting (also known as booting up) is a process that begins when a user turns on a… …
24Chainsaw safety features — Main article: Chainsaws This article is about risk control methods specific to chainsaws and chainsaw operations. Chainsaws incorporate numerous safety features common to many engine driven power tools. Manufacturers have invented numerous design …
25Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …
26Local number portability — This article is about telephone number portability on landlines. For telephone number portability on mobile phones, see Mobile number portability. Local number portability (LNP) for fixed lines, and full mobile number portability (FMNP) for… …
27Thin client — A thin client (sometimes also called a lean or slim client) is a client computer or client software in client server architecture networks which depends primarily on the central server for processing activities, and mainly focuses on conveying… …
28Sandefjord Airport, Torp — Sandefjord lufthavn, Torp IATA …
29Visual Basic — This article is about the Visual Basic language shipping with Microsoft Visual Studio 6.0 or earlier. For the Visual Basic language shipping with Microsoft Visual Studio .NET or later, see Visual Basic .NET. Visual Basic Paradigm(s) Object based… …
30automation — /aw teuh may sheuhn/, n. 1. the technique, method, or system of operating or controlling a process by highly automatic means, as by electronic devices, reducing human intervention to a minimum. 2. a mechanical device, operated electronically,… …
