Final answer:
Approved eye protection must be worn at all times in the shop to prevent eye injuries from activities such as using machines or working with tools and chemicals.
Step-by-step explanation:
Approved eye protection must be worn at all times when in the shop. This is to ensure the safety of the person working with machines and tools that may cause eye injuries. Wearing eye protection helps prevent accidents and reduces the risk of eye damage from flying debris, chemicals, or splashes. It is important to follow the safety guidelines provided by the instructor or shop supervisor to protect one's eyes while working in a shop environment.
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