COMMERCIAL UNDERWATER EQUIPMENT, NAMELY, REMOTELY OPERATED UNDERWATER VEHICLES, SUBMARINE VEHICLES IN THE NATURE OF RESCUE SUBMERSIBLES, SUBMARINE VEHICLES IN THE NATURE OF TRENCHERS, SUBMARINE VEHICLES IN THE NATURE OF PLOWS; COMMERCIAL UNDERWATER EQUIPMENT, NAMELY, REMOTELY OPERATED UNDERWATER VEHICLES, SUBMARINE VEHICLES IN THE NATURE OF RESCUE SUBMERSIBLES, SUBMARINE VEHICLES IN THE NATURE OF TRENCHERS, SUBMARINE VEHICLES IN THE NATURE OF PLOWS WITH OPERATING CONTROLS SOLD AS A UNIT THERE...