Since chest tubes have been routinely used to drain the pleural space, particularly after lung surgery, the management of chest tubes is considered to be essential for the thoracic surgeon. The pleural drainage system requires effective drainage, suction, and water-sealing.
1 The Passport Card can be used on cruises to the Caribbean and Bermuda, in addition to land border crossings to Canada and Mexico.  The US State Department started accepting applications for the Passport Card on February 1st, 2008.
If you travel between the United States and Canada, Mexico or the Caribbean frequently, consider getting a passport card. The size of a driver's license, the passport card can be used to visit these nations without a conventional, regular-sized passport. The card is ideal for those frequently entering Canada via a land crossing in Washington, and cannot be used when traveling by plane.