The first proposal derived its revenues from import duties, principally alcohol. Each enjoyed considerable sovereignty with only a few joint affairs (principally foreign relations and defence). Companies now faced economic incentives rather than the principally political incentives of the earlier decades. These are principally developmental delays and language disorders associated with neglect. Various corrections were applied, principally temperature. Since 2006, the company has focused on technologies associated with sustainable energy, principally wind power. Moreover, there are some sayings, (principally log. Vampire literature covers the spectrum of literary work concerned principally with the subject of vampires. Such a course of study contrasts with those that are principally vocational, professional, or technical. I was to expand its economic influence and control in East Asia, principally China. Their motives were far more political than principally religious. At that time, the Praetorians represented the best soldiers from the legions (principally from Illyria). "Hydraulic engineering" is concerned with the flow and conveyance of fluids, principally water. Auxiliary Interstate Highways are circumferential, radial, or spur highways that principally serve urban areas. There was also comprehensive liaison with the civil authorities, principally Air Raid Precautions.