float level indicator
31Floating point — In computing, floating point describes a method of representing real numbers in a way that can support a wide range of values. Numbers are, in general, represented approximately to a fixed number of significant digits and scaled using an exponent …
32Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
33List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
34Market trend — Statues of the two symbolic beasts of finance, the bear and the bull, in front of the Frankfurt Stock Exchange. A market trend is a putative tendency of a financial market to move in a particular direction over time.[1] These trends are… …
35Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
36Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
37Anemometer — A hemispherical cup anemometer of the type invented in 1846 by John Thomas Romney Robinson Cup ty …
38Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born …
39Isolation amplifier — Articleissues confusing=December 2007 unreferenced=December 2007 orphan=December 2007Isolation amplifiers provide electrical isolation and an electrical safety barrier. They protect data acquisition components from common mode voltages, which are …
40gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
