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The diagrams illustrate two distinct processes: the lifecycle of salmon, which involves various stages of growth and migration, and the series of steps involved in transforming animal hides into finished goods. Both processes are cyclical in nature and involve transformations across multiple phases. The salmon lifecycle begins in rivers, where the fish lay eggs in designated spawning areas. These eggs undergo an incubation period, eventually hatching into juvenile fish. The young fish rear in freshwater habitats before

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downstream to estuaries, where they adapt to brackish water. As they mature, they migrate to the ocean, where they grow into adults. The cycle concludes when the mature salmon return to their original spawning grounds to reproduce. The transformation of animal hides into finished products starts with drying the raw material and transporting it to factories. There, the hides are cleaned using a water-and-lime mixture to eliminate impurities. They are

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soaked in a tannin solution, which improves their flexibility and durability. The material is flattened using mechanical rollers to ensure uniform thickness, and

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, it is polished to achieve a smooth and glossy appearance. These prepared materials are

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transported to manufacturers, where they are crafted into items like footwear, bags, and accessories.