1) Ship type
Found on
https://www.crosswordclues.com/clue/mid-deck-tanker
A mid-deck oil tanker is a tanker design which includes an additional deck intended to limit spills if the tanker is damaged. The extra deck is placed at about the middle of the draft of the ship. This design is an alternative to the double-hull tanker design, and is superior in terms of spill volume. Although double-hull design is superior in low...
Found on
http://en.wikipedia.org/wiki/Mid-Deck_Tanker
No exact match found.
