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Sample Ishikawa diagram shows the causes contributing to problem. The defect, or the problem to be solved, [1] is shown as the fish's head, facing to the right, with the causes extending to the left as fishbones; the ribs branch off the backbone for major causes, with sub-branches for root-causes, to as many levels as required.
A fault tree diagram. Fault tree analysis (FTA) is a type of failure analysis in which an undesired state of a system is examined. This analysis method is mainly used in safety engineering and reliability engineering to understand how systems can fail, to identify the best ways to reduce risk and to determine (or get a feeling for) event rates of a safety accident or a particular system level ...
Handbook of Quality Circle: Quality circle is a people-development concept based on the premise that an employee doing a certain task is the most informed person in that topic and, as a result, is in a better position to identify, analyse, and handle work-related challenges through their innovative and unique ideas. It is, in fact, a practical ...
Failure analysis is the process of collecting and analyzing data to determine the cause of a failure, often with the goal of determining corrective actions or liability. According to Bloch and Geitner, ”machinery failures reveal a reaction chain of cause and effect… usually a deficiency commonly referred to as the symptom…”. [ 1 ]
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Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable conditions. (ISO 7870-1) [1] The hourly status is arranged on the graph, and the occurrence of abnormalities is judged based on the presence of data that differs from the conventional trend or deviates from the control limit line.
The death of a Wells Fargo employee that went unnoticed for four days late last month has left many in the corporate world questioning how such a tragic event could happen.. At around 7 a.m. on ...
Older adults with calcium and magnesium deficiencies also had poorer cognitive performance compared to peers with adequate micronutrient levels, a recent study has found.