Definition of niggling for English Language Learners. : causing you to feel a slight pain or to be worried or annoyed for a long time.
What is PPAP? The Production Part Approval Process (PPAP) is a standardized process in the automotive and aerospace industries that helps manufacturers and suppliers communicate and approve production designs and processes before, during, and after manufacture.
THE AFAP PROCESS Background The AFAP is a grass root process that identifies issues of concern to the Americaâs Army family. It determines actions necessary to resolve the issues and assigns responsibility for the actions to the proper Army staff (ARSTAF) agency.