Tornados are rated on several scales for strength based either on wind speed, pressure drop, or damaged caused, but the updated Enhanced Fujita Scale is the presently accepted scale in the United States.

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But when the response came, when the scale of the threat was finally accepted, our response was breathtaking.

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The percentage depletion deduction was conceived in 1932 based on the accepted corporate tax principle that business taxes should be reduced in scale as the value of company equipment, structures and other assets diminish over time.

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