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Once the cans have been prepared, the next step is filling them with wax. This usually involves melting soy wax, beeswax, or a blend to achieve a desired scent throw and burn quality. Many factory owners and candles makers prioritize using natural waxes as they are more sustainable than paraffin, which is derived from petroleum.
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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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