sufficient lighting
81The Vatican — The Vatican † Catholic Encyclopedia ► The Vatican This subject will be treated under the following heads: I. Introduction; II. Architectural History of the Vatican Palace; III. Description of the Palace; IV. Description of the… …
82SABBATH — (Heb. שַׁבָּת; Shabbat; related to the verb shavat, cease, desist, rest ), the seventh day of the week, the day of rest and abstention from work. In the Bible The etiology of the Sabbath is given in Genesis 1:1–2:3, although the name of the day… …
83Appropriate technology — (AT) is technology that is designed with special consideration to the environmental, ethical, cultural, social and economical aspects of the community it is intended for. With these goals in mind, AT typically requires fewer resources, is easier… …
84Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
85Stargate (device) — For episodes of the television series, see List of Stargate SG 1 episodes, List of Stargate Atlantis episodes, and List of Stargate Universe episodes. A Stargate from Stargate SG 1. A Stargate is a portal device within the Stargate fictional… …
86Colonization of the Moon — Lunar outpost redirects here. For NASA s plan to construct an outpost between 2012 and 2024, see Lunar outpost (NASA). Moonbase redirects here. For other uses, see Moonbase (disambiguation). 1986 artist concept The colonization of the Moon is the …
87Electrical ballast — Choke ballast (inductor) used in older lighting. This example is from a tanning bed. Requires a lamp starter (below) and capacitor …
88police — /peuh lees /, n., v., policed, policing. n. 1. Also called police force. an organized civil force for maintaining order, preventing and detecting crime, and enforcing the laws. 2. (used with a pl. v.) members of such a force: Several police are… …
89Daylight factor — A daylight factor is the ratio of internal light level to external light level and is defined as follows: DF = (Ei / Eo) x 100% where, Ei = illumiance due to daylight at a point on the indoors working plane, Eo = simultaneous outdoor illuminance… …
90radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
