- sand filter trenches
- sand filter trenches ERDB, WVA Filterentwässerungsleitungen fpl mit Sandbett
English-German dictionary of Architecture and Construction. 2013.
English-German dictionary of Architecture and Construction. 2013.
Trickling filter — A trickling filter consists of a fixed bed of rocks, gravel, slag, polyurethane foam, sphagnum peat moss, or plastic media over which sewage or other wastewater flows downward and causes a layer or film of microbial slime to grow, covering the… … Wikipedia
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
Drainage — See also: Storm drain and Stormwater Deep inside a Sydney drain in New South Wales Drainage is the natural or artificial removal of surface and sub surface water from an area. Many agricultural soils need drainage to improv … Wikipedia
Marine habitats — Coral reefs provide marine habitats for tube sponges, which in turn become marine habitats for fishes Littoral zone … Wikipedia
Bryozoa — Temporal range: Upper Cambrian–Recent[1] … Wikipedia
Septic drain field — Septic drain fields, also called leach fields or leach drains are used to remove contaminants and impurities from the liquid that emerges from the septic tank. A septic tank, the septic drain field, and the associated piping compose a complete… … Wikipedia
mollusk — molluskan, molluscan /meuh lus keuhn/, adj., n. mollusklike, adj. /mol euhsk/, n. any invertebrate of the phylum Mollusca, typically having a calcareous shell of one, two, or more pieces that wholly or partly enclose the soft, unsegmented body,… … Universalium
ceremonial object — ▪ religion Introduction any object used in a ritual or a religious ceremony. Throughout the history of religions and cultures, objects used in cults, rituals, and sacred ceremonies have almost always been of both utilitarian and symbolic… … Universalium
Sonora — For other uses, see Sonora (disambiguation). Sonora Estado Libre y Soberano de Sonora State … Wikipedia
marine ecosystem — Introduction complex of living organisms in the ocean environment. Marine waters cover two thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the… … Universalium
crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… … Universalium