For example the median expected annual pay for a typical Psychiatrist in the United States is $205,390, so 50% of the people who perform the job of Psychiatrist in the United States are expected to make less than $205,390.
Lightering (also called lighterage) is the process of transferring cargo between vessels of different sizes, usually between a barge and a bulker or oil tanker. Lightering is undertaken to reduce a vessel's draft in order to enter port facilities which cannot accept very large ocean-going vessels.
Water in motion directly impacts how the vehicle handles. One gallon of water weighs slightly more than eight pounds. So, tankers/tenders compliant with NFPA 1901 will carry approximately 8,340 pounds of water. With that much extra water weight-weight that is in motion-operating the apparatus is impacted.