Other fish farmers are now approaching him to retrofit their cages to be
submergible.
By Zia Khan /Staff Reporter Qatar has unveiled the first-ever indigenously-built barge - a solid
submergible platform to load and unload vessels from cargo ships - in a move described as a milestone in the country's short but eventful marine engineering history.
The company said that during an inspection carried out by a remote controlled
submergible, the wreck was identified by the markings "Mantola" and "Glasgow" visible on the stern, which matched historical records.
A
submergible cage system that operates around the principle of positive buoyancy.