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level: Sources of Quality Variations

Questions and Answers List

Question	Answer
Sources of Quality Variations	1 MATERIALS 2 MACHINES 3 METHODS 4 MEN
a. Variations between suppliers of same substance b. Variations between batches of same supplier c. Variation within a batch	MATERIALS
a. Variation of equipment for the same process b. Difference in adjustment of equipment c. Aging and improper care	MACHINES
a. Inexact and inadequate procedures b. Negligence by chance	METHODS
a. Inadequate training and understanding	MEN