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The factory process behind metal lunch boxes often involved a series of intricate steps. First, the raw materials were sourced and cut into the appropriate sizes. Next, the metal sheets underwent printing, where vibrant colors were applied to create eye-catching designs. The pieces were then shaped, bent, and fused together, creating a sturdy construction that could withstand the rigors of daily use. Finally, a protective coating was applied to guard against rust, ensuring these lunch boxes would endure for years.
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5. Ease of Application Consider the ease of application, whether you’ll be doing the painting yourself or hiring professionals. Some paints come pre-mixed and are ready for immediate use, while others may require preparation or special equipment for application.
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