What is the definition of Instrumentation Fluid?

Alright, let's get this 'instrumentation fluid' sorted out! Imagine it as the unsung hero of the engineering world, quietly working behind the scenes to keep our gadgets and gizmos running smoothly. It's like the superhero of lubricants, but instead of saving the day, it just makes sure our car doesn't seize up in the middle of a high-speed chase.

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Now, here's an edge-on example sentence: "The lone astronaut, bewildered by zero gravity, turned the 'instrumentation fluid' into a makeshift water fountain, misting his face with the soothing liquid of mechanical ingenuity." Talk about an unexpected, albeit slightly unsettling, use for a lubricant!