History/lessons learned: Quality thrust; dimensional management; tolerancing strateies. Stardards: Drawing interpretation; geometric dimensioning and tolerancing; differences between US standards and othe standards; mathematical definition of dimensioning and tolerancing; statistical tolerancing. Design: Tranditional approaches to analyzing mechanical tolerancing; statistical background and concept; predicting assembly quality; multi-dimensional tolerancing analysis; minimum-cost tolerance allocation; automating the tolerancing process; working in an electronic environment. Manufacturing: Collecting and developing manufacturing process capability models. Gaging: Paper gage techniques; receiver gages - go gages and functional gage. Precision methology. Applications: Predicting piecepart quality; floating and fixed fasteners; fixed and floating fastener variation; pinned interfaces; gage repeatability and reproducibility calculations. The future.