the 5 Ss
noun [ plural ]
PRODUCTION (also the five Ss) ukusa method of organizing your work environment, reducing waste, and improving safety and quality, that comes from five Japanese words, translated as sort (= organize, and throw away what you do not need), set in order , sweep (= clean), standardize (= reduce unnecessary differences), and sustain (= continue and develop these activities):
A company needs the 5 Ss to create a lean manufacturing unit.