Heavy Drills 2007 2,500 h Czech Republic
Heavy Drills 2014 8,000 h Germany
Heavy Drills 2010 5,500 h Poland, Lublin
Heavy Drills 2011 4,048 h Poland, Lublin
Heavy Drills 2006 Poland, Lublin
Heavy Drills 2006 8,852 h Poland, Lublin