What are the differences between belts and chains in terms of their performance and durability in mechanical systems?

Belts and chains are both used in mechanical systems to transfer power, but they have differences in performance and durability. Belts are quieter and smoother in operation, but they can slip under heavy loads. Chains are more durable and can handle higher loads, but they are noisier and require more maintenance. Overall, chains are more reliable for heavy-duty applications, while belts are better for lighter loads and smoother operation.