WCO

The World Customs Organization (WCO) is an intergovernmental organization that helps Members (Governments usually represented by Customs administrations from 170 countries) communicate and co-operate on customs issues. It was established in 1952 as the Customs Co-operation Council; it adopted its current name in 1994.
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World Customs Organisation, set up to deal with issues related to cooperation between customs authorities. (See Drugs: International cooperation, website)

عملیات کنترل چاه هنگام فوران یا کیک نفتی یا گازی ، اختصار در مورد عملیاتی است که در حال انجام است و در گزارش ها مورد استفاده قرار می گیرد
  

Well Control, actions or job's abbreviations which usually Companymans write in their daily drilling reports
  

World Customs Organisation

Dutch:
World Customs Organisation; de organisatie die o.a. bezig is met het bepalen van de UCR standaard
French:

german: