What does 180 T of A in a t?

The notation "180 T of A in a t" typically refers to a measurement or quantity, possibly in a scientific or engineering context. Here, "T" may stand for tons, "A" could represent a specific substance or material, and "t" likely denotes a time period, such as a ton per time unit. Therefore, this could imply that 180 tons of substance A are being processed or produced in a specific timeframe. For a more precise interpretation, additional context is needed regarding what "A" and "t" specifically refer to.