public String makeContainerTypes(Container E)
	{
		String canContain=", "+Container.CONTAIN_DESCS[0];
		if(E.containTypes()>0)
		{
			canContain="";
			for(int i=0;i<Container.CONTAIN_DESCS.length-1;i++)
				if(CMath.isSet((int)E.containTypes(),i))
					canContain+=", "+Container.CONTAIN_DESCS[i+1];
		}
		return canContain.substring(2);
	}