Quotes by Lean Manufacturing Time waste differs from material waste in that there can be no salvage. Henry Ford lean-manufacturing wasting-time waste Costs do not exist to be calculated. Costs exist to be reduced. Taiichi Ohno lean-manufacturing cost business Scrap doesn't come for free, we pay someone to make it. W. Edwards Deming lean-manufacturing scrap pay The most effective way to improve productivity is to eliminate work. William E. Conway, Jr. lean-manufacturing productivity way