submersible filter

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• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… …   Wikipedia

• K-141 — Schwesterschiff der Kursk – U Boot Omsk (K 186) der Oscar II Klasse Die K 141 Kursk (russisch Курск) war ein mit Marschflugkörpern bestücktes russisches Atom U Boot (Ship Submersible Guided Missile Nuclear) des Projektes 949A (NATO Code: Oscar II …   Deutsch Wikipedia

• Kursk (U-Boot) — Schwesterschiff der Kursk – U Boot Omsk (K 186) der Oscar II Klasse Die K 141 Kursk (russisch Курск) war ein mit Marschflugkörpern bestücktes russisches Atom U Boot (Ship Submersible Guided Missile Nuclear) des Projektes 949A (NATO Code: Oscar II …   Deutsch Wikipedia

• Artificial lift — involves the use of artificial means to increase the flow of liquids, such as crude oil or water, to the surface of a production well. Generally this is achieved by a mechanical device inside the well, such as a pump; decreasing the weight of the …   Wikipedia

• Environmental remediation — Generally, remediation means providing a remedy, so environmental remediation deals with the removal of pollution or contaminants from environmental media such as soil, groundwater, sediment, or surface water for the general protection of human… …   Wikipedia

• Reef aquarium — See also: Marine aquarium Reef aquarium in Monaco A reef aquarium or reef tank is an marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the coral reef environment.… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… …   Wikipedia

• Completion (oil and gas wells) — This article is about the oil or gas well completion. For other uses of completion, see Completion (disambiguation) In petroleum production, completion is the process of making a well ready for production (or injection). This principally involves …   Wikipedia

• Appropriate 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… …   Wikipedia