In the 'T' model for skill selection, what does learning a skill like public relations represent for a highly specialized engineer?

Answer

Building the horizontal bar, increasing versatility and connection between fields

Building the horizontal bar means acquiring skills that make the individual more versatile and able to connect disparate fields, which is often impactful for career progression when the core skill (vertical bar) is already deep.

In the 'T' model for skill selection, what does learning a skill like public relations represent for a highly specialized engineer?
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