The key to quality is to design and build to the requirements and avoid attempts to inspect quality into the product. There is a need, however, to conduct inspections a critical junctures in the assembly process to ensure defective items are identified prior to making a costly interface or concealing a physical attribute that cannot be inspected at a later time. Inspection plan will identify the points at which examinations of processes, materials, or assemblies are required. However, inspection plans normally do not include ______________.

• A. examining the vendor's quality procedures
• B. examining surfaces
• C. testing personnel skills
• D. witnessing destructive and nondestructive tests