Central Crude Oil Tank Farm in Nelahozeves, pipe, pipes, conduit

Central Crude Oil Tank Farm in Nelahozeves, pipe, pipes, conduit

***FILE PHOTO*** A part of the Central Crude Oil Tank Farm in Nelahozeves, some 30 kilometres north of Prague, seen in this Dec. 29, 2009 photo. On Monday Russia warned the EU it may halt oil supplies via Ukraine to Czech Republic, Slovakia and Hungary because of a transit price dispute with Kiew. (CTK Photo/Rene Volfik)

Central Crude Oil Tank Farm in Nelahozeves, pipe cock, conduit

Central Crude Oil Tank Farm in Nelahozeves, pipe cock, conduit

***FILE PHOTO*** A part of the Central Crude Oil Tank Farm in Nelahozeves, some 30 kilometres north of Prague, seen in this Dec. 29, 2009 photo. On Monday Russia warned the EU it may halt oil supplies via Ukraine to Czech Republic, Slovakia and Hungary because of a transit price dispute with Kiew. (CTK Photo/Rene Volfik)

Central Crude Oil Tank Farm in Nelahozeves, measuring device, conduit

Central Crude Oil Tank Farm in Nelahozeves, measuring device, conduit

***FILE PHOTO*** A measuring device of the Central Crude Oil Tank Farm in Nelahozeves, some 30 kilometres north of Prague, seen in this Dec. 29, 2009 photo. On Monday Russia warned the EU it may halt oil supplies via Ukraine to Czech Republic, Slovakia and Hungary because of a transit price dispute with Kiew. (CTK Photo/Rene Volfik)

Central Crude Oil Tank Farm in Nelahozeves, measuring device, conduit

Central Crude Oil Tank Farm in Nelahozeves, measuring device, conduit

***FILE PHOTO*** A measuring device of the Central Crude Oil Tank Farm in Nelahozeves, some 30 kilometres north of Prague, seen in this Dec. 29, 2009 photo. On Monday Russia warned the EU it may halt oil supplies via Ukraine to Czech Republic, Slovakia and Hungary because of a transit price dispute with Kiew. (CTK Photo/Rene Volfik)

Central Crude Oil Tank Farm in Nelahozeves, pipe cock, padlock, locked, conduit

Central Crude Oil Tank Farm in Nelahozeves, pipe cock, padlock, locked, conduit

***FILE PHOTO*** A part of the Central Crude Oil Tank Farm in Nelahozeves, some 30 kilometres north of Prague, seen in this Dec. 29, 2009 photo. On Monday Russia warned the EU it may halt oil supplies via Ukraine to Czech Republic, Slovakia and Hungary because of a transit price dispute with Kiew. (CTK Photo/Rene Volfik)

Central Crude Oil Tank Farm in Nelahozeves, pipe cock, conduit

Central Crude Oil Tank Farm in Nelahozeves, pipe cock, conduit

***FILE PHOTO*** A part of the Central Crude Oil Tank Farm in Nelahozeves, some 30 kilometres north of Prague, seen in this Dec. 29, 2009 photo. On Monday Russia warned the EU it may halt oil supplies via Ukraine to Czech Republic, Slovakia and Hungary because of a transit price dispute with Kiew. (CTK Photo/Rene Volfik)

Central Crude Oil Tank Farm in Nelahozeves, pipe, pipes, measuring device, conduit

Central Crude Oil Tank Farm in Nelahozeves, pipe, pipes, measuring device, conduit

***FILE PHOTO*** A measuring device of the Central Crude Oil Tank Farm in Nelahozeves, some 30 kilometres north of Prague, seen in this Dec. 29, 2009 photo. On Monday Russia warned the EU it may halt oil supplies via Ukraine to Czech Republic, Slovakia and Hungary because of a transit price dispute with Kiew. (CTK Photo/Rene Volfik)