Global Work Class ROVs Market By Type (By Industry Vertical , Oil & Gas Industry , Scientific Research , Military & Defense , Others , By Hardware Component , Imaging System , Sensors and Automation Systems , Steering and Positioning , Navigation System , Energy and Propulsion , and Others ), By Application (Drilling Support , Construction Support , Inspection , Repair and Maintenance (IRM) , and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029