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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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3. Cost-Effectiveness Although the initial investment for metal nesting boxes might be higher than that of wood or plastic, their longevity and reduced need for replacement make them a cost-effective option in the long run. Farmers can save substantial amounts on maintenance and replacements, which is critical for operating a sustainable poultry farm.
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