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The key to preventing rust in metal boxes lies in isolating them from oxygen and moisture.
The main measures for rust prevention include:
Coating Protection
Applying a protective coating to the surface of the metal box—such as a rust-preventive oil coating—physically isolates it from air and moisture.
Environmental Control
Storing the tin box in an environment with a relative humidity below 50% can significantly delay corrosion.
Regular Maintenance
During daily use, keep the tin box clean and dry: wipe it dry promptly after use to prevent water accumulation or contact with salt or acidic substances.
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