1. container crane/gantry: a high speed, shore-based crane used in the lift-on/lift-off operation of specially constructed containers. (adapted from Nautical Chart Manual, US Department of Commerce, Coast and Geodetic Survey, 7th Edition)
  2. sheerlegs: a tripodal structure used in dockyards and harbours for stepping masts or lifting loads in to and out of vessels.
  3. travelling crane: a crane mounted on rails (track) that can move (usually parallel to the wharf face) in order to load and unload cargo vessels. (Canadian Hydrographic Service)
  4. A-frame: a type of crane shaped like the letter 'A'. They are often positioned on river banks or the coastline and are used for lifting logs from logging trucks and depositing them in the water. (Canadian Hydrographic Service)