improve efficiency
81Ezekiel Emanuel — Ezekiel Jonathan Emanuel Born 1957 Nationality …
82Amplifier — For other uses, see Amplifier (disambiguation). Generally, an amplifier or simply amp, is a device for increasing the power of a signal. In popular use, the term usually describes an electronic amplifier, in which the input signal is usually a… …
83Water privatization in Brazil — has been initiated in 1996. In 2008 private companies provided 7 million Brazilians 4% of the urban population in 10 of the country’s 26 states with drinking water. The private sector holds 65 concession contracts in the states of São Paulo, Rio… …
84Domain Name System — The Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the… …
85Subnetwork — Creating a subnet by dividing the host identifier A subnetwork, or subnet, is a logically visible subdivision of an IP network.[1] The practice of dividing a network into subnetworks is called subnetting. All computers that belong to a subnet are …
86Sampling (statistics) — Sampling is that part of statistical practice concerned with the selection of individual observations intended to yield some knowledge about a population of concern, especially for the purposes of statistical inference. Each observation measures… …
87Water supply — is the process of self provision or provision by third parties of water of various qualities to different users. Irrigation is covered separately. Global access to waterIn 2004 about 3.5 billion people worldwide (54% of the global population) had …
88Single-speed bicycle — ing or other methods for varying the gear ratio of the bicycle. Historically, all bicycles were single speed bicycles, specifically fixed gear or fixed wheel single speed bicycles that had no mechanism to vary the gear ratio or to allow the… …
89Material handling equipment — Industrial mezzanine. Selective pallet rack is an example of storage and handli …
90Water privatization in Chile — The privatization of water in Chile was undertaken from 1998 to 2005 under the democratically elected governments of Eduardo Frei and Ricardo Lagos. Chile is the only country in Latin America that privatized its entire urban water supply and… …
