Hershel: I'm from England buy mojohard pills But in two crucial aspects, Poland's system differed from the way contracts are run in the rest of Europe, said Frank Kehlenbach, director of industry lobby group European International Contractors. First, executives from several construction firms have said, the Polish agency would in many cases not clarify project details when asked. That left companies with a choice: Take a risk and bid on incomplete information, or walk away.