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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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One of the key advantages of galvanized iron pipes is their ability to withstand high pressures, making them suitable for water supply systems across residential, commercial, and industrial domains
. The robustness of these pipes ensures they can handle the stresses of fluctuating water pressure and temperature, which is particularly important in urban areas with complex plumbing systems.galvanized iron pipe for water manufacturers

In a shell and tube heat exchanger, one gas stream flows through a series of tubes while the other gas stream flows around the outside of the tubes in a shell. Heat is transferred from the hot gas stream to the cold gas stream through the walls of the tubes. This type of heat exchanger is highly efficient and is commonly used in applications where a large amount of heat transfer is required.
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