Final answer:
The statement given is false; eye protection is essential when using power tools to prevent accidents and injuries, no matter how carefully the tools are used.
Step-by-step explanation:
The statement If you use power tools carefully, wearing eye protection usually is NOT necessary is false. It's imperative to wear eye protection whenever using power tools, regardless of how careful you are. This is because accidents can happen, and the eyes are extremely susceptible to injury from flying debris, dust, and particles that are often produced while using power tools. Safety protocols in both professional settings and home workshops underscore the importance of using protective equipment to prevent injuries.