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Option 1, which includes the iron and steel, aluminium, and cement industries, maximizes savings on transport costs by being located near the sources of materials. This is because these industries heavily rely on raw materials that are usually bulky and require high transportation costs. By being located near the sources of these materials, these industries can significantly reduce transportation expenses.
Option 2, which includes the iron and steel, sugar, and cotton textiles industries, may also benefit from being located near the sources of materials, but the savings on transport costs may not be as significant compared to option 1.
Option 3, which includes heavy machinery, cement, and sugar industries, does not necessarily maximize savings on transport costs as these industries may not heavily rely on materials that require long-distance transportation.
Option 4, which includes the iron and steel, cement, and silk industries, may also benefit from being located near the sources of materials, but again, the savings on transport costs may not be as significant as option 1.