… although some are self-employed or work for nonprofit organizations. Chemists are needed in the pharmaceutical industry to discover and develop new drugs, in the food industry to develop and test new foodstuffs and additives, in the petroleum industry to develop and test new fuels, in the textile … quality tools such as flowcharts, histograms, pareto charts, scatter diagrams, cause and effect diagrams, check sheets, and control charts to improve processes. Evaluate quality concepts and principals such as the Shewhart cycle: …