Global Transformer Fluid Market By Form (Mineral Oil, Ester Liquids, Bio-based Oil, Synthetic Oil, and Others), By Nature (Transformer, Reactor, Switchgear, Hydraulic Thrusters, Dashpots, Oil Filled Electrical Equipment, and Others), By End-use (Transmission And Distribution, Power Generation, Locomotives And Railway Lines, and Others) By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2034