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One of the most significant advantages of tin cans is their durability. Unlike glass containers that can shatter, tin cans are resistant to breakage, making them ideal for shipping and storage. Additionally, the airtight seal of a tin can protects food from air and light, both of which are significant factors in spoilage. This means that canned foods can be stored for extended periods without refrigeration, providing convenience to consumers.
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Galvanization involves coating iron or steel with zinc to prevent rusting. While this treatment extends the life of pipes, it also alters their surface texture. The roughness created by the galvanization process can increase the friction factor compared to smooth-walled pipes. This increase implies greater energy requirements for pumping fluids through galvanized pipes, particularly in systems that rely on water or other low-viscosity fluids.
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