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.
SDAP is a monthly pay used to help obtain high quality personnel for designated Special Duty Assignments (SDAs) and sustain adequate manning levels. SDAs involve demanding duties requiring extraordinary effort for satisfactory performance or an unusual degree of responsibility in the accomplishment of assigned duties.