ABSTRACT
The nature of manufacturing and its four resources. Conversion of the resources into income and profit through the application of the discipline of thrift which is quality control. How it helps in the creation of wealth, an industrial example, the lessons of quality to be learned and how these are applicable to manufacturing processes in general. The dual nature of variability within the resource-converting process – inherent and assigned variability. Recognising the difference and making profitable use of it. Right and wrong definitions of quality control leading to right and wrong quality performance. The four vital questions of quality.
