When the customers of Granite Rock expressed their desire for 24-hour availability of ground rock products from the quarry, the company responded by creating an ATM-like system and the Granite Xpress Card that allows customers to enter the quarry and select and receive ground rock products at any time of the day or night. Granite Rock addressed customer requests with a(n):

 

Concrete substitution

One-time fix

Quick solution

Compliant standard

Internal anchor