Complacency is certainly the single biggest threat for any airport operation. Nobody should take things for granted and the concept of operations improvement is a common practical principle. The basic science of preventing processes (any technology) from becoming worse is the common language at airport operations. When major changes in respect of process technology have to be made, which one of the following improvement approaches should be used?

• A.Design improvement
• B.Breakthrough improvement
• C.Kaizen improvement
• D.Continuous improvement