Identify each of the following as being a value-adding activity or non-value-adding activity. Preparing a patient for surgery in a hospital Rehearsing safety procedures at an oil refinery Final inspection of an airplane before delivering it to the customer 1. Value-adding 2. Non-value-adding Installing airbags in automobles being manufactured Processing customer checks at a bank Rehearsing safety procedures at an oil refinery Final inspection of an airplane before delivering it to the customer 1. Value-adding 2. Non-value-adding Installing airbags in automobles being manufactured Processing customer checks at a bank Moving a product from one stage of the manufacturing process to the next stage