lead pipes cannot be used for drinking water

  • 11Boiler — For the Limp Bizkit song, see Boiler (song). A portable boiler (preserved, Poland) …

    Wikipedia

  • 12environmental 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

  • 13Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …

    Wikipedia

  • 14Cross-linked polyethylene — PEX redirects here. For other uses, see Pex (disambiguation). Cross linked polyethylene, commonly abbreviated PEX or XLPE, is a form of polyethylene with cross links. It is formed into tubing, and is used predominantly in hydronic radiant heating …

    Wikipedia

  • 15Reverse osmosis — Schematics of a reverse osmosis system (desalination) using a pressure exchanger. 1: Sea water inflow, 2: Fresh water …

    Wikipedia

  • 16Anthropology and Archaeology — ▪ 2009 Introduction Anthropology       Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …

    Universalium

  • 17tin processing — Introduction       preparation of the ore for use in various products.       Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… …

    Universalium

  • 18Reservoir — This article is about an artificial body of water. For other uses, see Reservoir (disambiguation). The Jhonghua Dam on the Dahan River in Taoyuan County, Taiwan. A reservoir (pronounced either REZ ur vore or REZ er vwar, etymology: from French… …

    Wikipedia

  • 19turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …

    Universalium

  • 20Ozone — For other uses, see Ozone (disambiguation). Ozone …

    Wikipedia