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    Because of the investment required for modern aggregate operations (time and capital), companies typically require a minimum of 15 to 25 years of reserves to open a quarry. In contrast, since sand and gravel operations do not usually require sophisticated and expensive crushing equipment, these sites may offer fewer years of reserves and still


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    Operations management is the activity of managing the resources which produce and deliver products and services. The operations function is the part of the organization that is responsible for this activity. Every organization has an operations function because every organization produces some type of products and/or services.

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