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MANY SYSTEMS HAVE a loop mechanism inherent in them, often referred to as Feedback.

MANY SYSTEMS HAVE a loop mechanism inherent in them, often referred to as Feedback. This comes in two types, Negative and Positive. writes Ralph Freeman.

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MANY SYSTEMS HAVE a loop mechanism inherent in them, often referred to as Feedback. This comes in two types, Negative and Positive.

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This comes in two types, Negative and Positive.

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