What is a tool — CCA-F Exam Prep

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REAL STORYSplit screen. Left: a brain surgeon standing over a patient with bare hands, looking helpless. Right: the same surgeon with scalpels, clamps, and sutures laid out on a tray. Same person. Completely different capability. Operating room, bright surgical lights.

A neurosurgeon with 20 years of experience stands over a patient. No scalpel. No clamps. No sutures.

She knows exactly where to cut. She's performed this procedure 400 times. But without instruments, she can't make a single incision. All that knowledge, completely useless.