In mod normal

cover pot:

a) un tip de vas de lut pentru platarea florilor

http://www.itml.com/products.php?g=19&p=129

b) plasa de pescuit crabi

"Glossary Searched Term
English, cover pot, Gear usually of wicker construction, shaped like a beehive with an opening at the top; the gear is placed over the animal by the ...
www.fishbase.org/Glossary/ Glossary.cfm?TermEnglish=cover%20pot"
vezi poza la:
http://www.oceansatlas.org/world_fisheries_and_aquaculture/h...

c) tanc colector de apa/ rezervor de apa folosit in conjunctie cu un lisimetru (instalatie folosita la masurarea umiditatii aerului) - vezi poza (este asa numitul rezervor receptor)

www.llansadwrn-wx.co.uk/evap/lysim.html

Titel: Dissertationsdatenbank
"...In case of planning future investigations emphasis has to be put on the vegetation surrounding the lysimeter plots and possible air slits between the lysimeter pot and the cover pot..."

http://www.meningar.com/lysimeter.html

In contextul tau , tinand cont ca e vorba de constructie de domeniu civil/utilitate publica, cred ca se refera la un rexervor de apa de tip c) ... acum numai tu stii mai bine contextul si la ce se refera....

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Note added at 14 hrs (2006-03-09 23:27:41 GMT)
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DOC] MINIST MINISTERUL MEDIULUI SI GOSPODARIRII APELOR
File Format: Microsoft Word - View as HTML
-evaporare direct cu lisimetru sau la stabilirea umiditatii aerului (la ora 15;. -umiditatea aerului (la ora 15)i. Zilnic (inregistrare continua), ...
www.arpmsm3.ro/Download/Reglem/ AIM/SC%20Vivani%20Salubritate%20SA.do