lighting condition
51Library — Reading room redirects here. For other uses, see Reading room (disambiguation). For other uses, see Library (disambiguation). Reading room of the library at the University of Graz, in Austria …
52Demand load — In telecommunication, the term demand load can have the following meanings: In general, the total power required by a facility. The demand load is the sum of the operational load (including any tactical load) and nonoperational demand loads. It… …
53Ambulance — For other uses, see Ambulance (disambiguation) …
54Home automation — is the residential extension of building automation . It is automation of the home, housework or household activity. Home automation may include centralized control of lighting, HVAC (heating, ventilation and air conditioning), appliances, and… …
55Gas mantle — For other uses of mantle see: mantleAn incandescent gas mantle, gas mantle, or Welsbach mantle is a device for generating bright white light when heated by a flame. The name refers to its original heat source, existing gas lights which filled the …
56The Duchess of Malfi — For other uses, see The Duchess of Malfi (disambiguation). Title page of The Duchess of Malfi. The Duchess of Malfi (originally published as The Tragedy of the Dutchesse of Malfy) is a macabre, tragic play written by the English dramatist …
57Metal halide lamp — Metal halide lamps, a member of the high intensity discharge (HID) family of lamps, produce high light output for their size, making them a compact, powerful, and efficient light source. Originally created in the late 1960 s for industrial use,… …
58Rhinemaidens (Wagner) — The Rhinemaidens are the three water nymphs ( Rheintöchter or Rhine daughters ) who appear in Richard Wagner s opera cycle Der Ring Des Nibelungen . Their individual names are Woglinde, Wellgunde and Flosshilde, although they are generally… …
59Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
60technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
