mechanical means
121Water meter — A typical residential water meter A water meter is a device used to measure the volume of water usage. This article provides an overview of technical aspects of water meters. The worldwide prevalence of metering as well as its economic benefits… …
122Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
123Stock market index — A stock market index is a method of measuring a section of the stock market. Many indices are compiled by news or financial services firms and are used to benchmark the performance of portfolios such as mutual funds. Types of indices Stock market …
124Dermabrasion — Intervention MeSH D003869 Dermabrasion is a surgical procedure that involves the controlled abrasion (wearing away) of the upper layers of the skin with sandpaper or other mechanical means. Nowadays it has become …
125elevator — /el euh vay teuhr/, n. 1. a person or thing that elevates or raises. 2. a moving platform or cage for carrying passengers or freight from one level to another, as in a building. 3. any of various mechanical devices for raising objects or… …
126Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …
127Geometry — (Greek γεωμετρία ; geo = earth, metria = measure) is a part of mathematics concerned with questions of size, shape, and relative position of figures and with properties of space. Geometry is one of the oldest sciences. Initially a body of… …
128launch vehicle — Aerospace. a rocket used to launch a spacecraft or satellite into orbit or a space probe into space. [1955 1960] * * * Rocket system that boosts a spacecraft into Earth orbit or beyond Earth s gravitational pull. A wide variety of launch vehicles …
