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$14.$ PT Tool inc. manufactures aifcraft landing gear. The completed geat thy perform to rigid specifications. Due to the expensive nature of the prod wet, the landing gear must also mect customer expectations for $fi{t}^2$ and $f_i.$ ish. To gather information about nonconformities that are occurring in their shop, a problem$-$solving team has utilized check sheets to tecord th$,$ nonconformities that they find on the parts during final inspection. When chey encounter a problem, the inspectors check the appropriate category on the check sheet. Create a Pareto diagram from the check sheer. Based on the diagrams, where should PT Tool be concentrating their improvement efforts?