Engineering Companion P01

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Engineering Companion P01

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There are still several systems of common units in use throughout the world. Transition from the others to Syste`me International d’Unite´s (International System of Units), or SI, will proceed at a rational pace to accommodate the needs of the professions or industries involved and the public. The transition period will be long and complex, and duality of units probably will be demanded for at least a decade after the change is introduced.

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