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Hierarchy of hazard control is a system used in industry to prioritize possible interventions to minimize or eliminate exposure to hazards. [ a ] It is a widely accepted system promoted by numerous safety organizations.
The accompanying diagram is a general hierarchical model which shows functional manufacturing levels using computerised control of an industrial control system. Referring to the diagram; Level 0 contains the field devices such as flow and temperature sensors, and final control elements, such as control valves; Level 1 contains the ...
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.
Some models split these techniques between empty hand, soft control and intermediate weapon techniques but only include 5 levels of the continuum. [ 7 ] [ 9 ] [ 11 ] [ 12 ] Intermediate weapons – an amount of force that would have a high probability of causing soft connective tissue damage or bone fractures.
The pyramid begins at the bottom with physiological needs (the most prepotent of all) and culminates at the top with self-actualization needs. In his later writings, Maslow added a sixth level of ‘meta-needs’ and metamotivation. [4] [5] The hierarchy of needs developed by Maslow is one of his most enduring contributions to psychology. [6]
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The pyramid allows individuals to narrow down the root cause and eliminate or control the hazard or cause. [3] The triangle was widely used in industrial health and safety programs over the following 80 years and was described as a cornerstone of health and safety philosophy.
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