@MethodInformation(author="Alex", date="09.12.2012", description="Gives back a double that describes the maximum number of swords to plowshares of all BioTraktor")
	protected double maxSwordsBio() {
		MyIterator it = (MyIterator) traktoren.iterator();
		double max = 0;
		
		while(it.hasNext()) {
					Traktor obj = (Traktor) it.next();
			
			
			if(obj.getMaschine() instanceof DrillMaschine )
			{
				double anz = obj.getMaschine().getDetailOfMaschine();
				
				if(obj instanceof BioTraktor) {
				
					if((anz > max) || (max == 0))
						max = anz;
				}
			}
		}
		
		return max;
	}