Vessel Size Classes (GT)Unit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GTUnit of measure: GT