What is a salt pan used for?

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Multiple Choice

What is a salt pan used for?

Explanation:
The main idea is using heat to make the frame pliable so it can be adjusted without breaking. A salt pan provides a warm saline bath that gently heats the frame material, especially plastic/acetate, letting you bend temples or reshape the frame to fit correctly. This controlled softening is essential for adjustments because it reduces the risk of cracking or warping compared to bending a cold, rigid frame. It’s not used for cleaning lenses, marking centers, or adjusting nose pads—those tasks rely on cleaning solutions, markings/tools, and pad-specific tools, respectively.

The main idea is using heat to make the frame pliable so it can be adjusted without breaking. A salt pan provides a warm saline bath that gently heats the frame material, especially plastic/acetate, letting you bend temples or reshape the frame to fit correctly. This controlled softening is essential for adjustments because it reduces the risk of cracking or warping compared to bending a cold, rigid frame. It’s not used for cleaning lenses, marking centers, or adjusting nose pads—those tasks rely on cleaning solutions, markings/tools, and pad-specific tools, respectively.

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