
1) Trench zone
Found on
https://www.crosswordclues.com/clue/deepocean

== Overview == DeepOcean is a Amsterdam, Netherlands - based company which provides subsea services related to offshore construction such as trenching and laying of flexible products (Umbilicals, Risers, Cables), inspection, maintenance & repair and decommissioning. Its 1,400 employees project manage and operate a fleet of Vessels, ROV`s and subs....
Found on
http://en.wikipedia.org/wiki/DeepOcean
No exact match found.