The concept of limiting types, sizes and other characteristics of a product line without sacrificing utility or durability is called
Answer Details
The concept being described is called standardization. Standardization involves setting a limit on the number of types, sizes, and other features of a product line in order to streamline production and reduce costs without sacrificing the usefulness or durability of the product. This allows for more efficient manufacturing, as well as making it easier for customers to understand and compare products within the line.