10. 
    Drainage
    Drainage is the natural or artificial removal of surface and sub-surface water from an area. Many agricultural soils need drainage to improve production or to manage water supplies. ==History== ===Early history=== The ancient Indus systems of sewerage and drainage that were developed and used in ci...
    Found op http://en.wikipedia.org/wiki/Drainage
    
    
11. 
    Drainage
    The process of removing surplus ground or surface water either by artificial means or by gravity flow.
    Found op http://www.coaleducation.org/glossary.htm
    
    
12. 
    drainage
    Conduction of electric current from an underground metallic structure by means of a metallic conductor. Forced drainage is that applied to underground metallic structures by means of an applied electromotive force or sacrificial anode. Natural drainage is that from an underground structure to a more...
    Found op http://www.encyclo.co.uk/local/21115
    
    
13. 
    Drainage
    The interception and removal of water from, on, or under an area or roadway; the process of removing surplus ground or surface water artificially; a general term for gravity flow of liquids in conduits.
    Found op http://www.pavement.com/glossary/A.html
    
    
14. 
    drainage
    drainage, in agriculture, the removal of excess water from the soil, either by a system of surface ditches, or by underground conduits if required by soil conditions and land contour. Diesel or centrifugal pumps are sometimes used to drain large areas. Drainage was practiced in the Nile basin c.400 ...
    Found op http://www.infoplease.com/ce6/sci/A0816058.html
    
    
15. 
    drainage
    drainage, in mining, removal of water seeping into shafts and other underground mine workings from the surrounding ground. Unless seeping water is removed continually, it may endanger haulage and mining equipment, weaken supporting structures, and, in some instances, flood the mine completely. Water...
    Found op http://www.infoplease.com/ce6/sci/A0816059.html
    
    
16. 
    Drainage
    the process of eliminating toxic wastes, even at a deep cellular level, out of the body via the main eliminative channels
    Found op http://www.wholisticmedical.co.uk/glossary.php
    
    
17. 
    Drainage
    [medical] In medicine, drainage refers to the removal of fluids from a body. Examples include thoracentesis and incision and drainage. ...
    Found op http://en.wikipedia.org/wiki/Drainage_(medical)
    
    
18. 
    Drainage
    An area (basin) mostly bounded by ridges or other similar topographic features, encompassing part, most, or all of a watershed and enclosing some 5,000 acres.
    Found op http://www.streamnet.org/glossary.html
    
    
19. 
    drainage
    (water management) that part of irrigation or rainfall that runs off an area or is lost to deep percolation.
    Found op http://en.wikipedia.org/wiki/Glossary_of_environmental_science
    
    
20. 
    drainage
    1) Ditch or pipe type 2) Drain 3) Emptying 4) Evacuation 5) It's poor on the moor 6) Kind of ditch 7) Outflow 8) Voidance 9) What a waste pipe provides
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/drainage/1
    
    

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