Assembly-line balancing problems involving many distinct products (mixed-model line balancing) are generally easier to solve than single-model balancing problems because there are more alternatives available to assign tasks to workstations.

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Mixed-model line balancing problems are generally more complex than single-model balancing problems because they must account for the variability in tasks and production rates associated with each distinct product, making the optimization process more challenging.

Assembly-Line Balancing Problems Involving Many Distinct Products (Mixed-Model Line Balancing)