You and your neighbors must clear downed trees with your own chain saws and pull debris from drainage pipes.

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Engaged factory workers pull the chain to stop the entire line when they notice a defect.

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And when trading partners start to pull away, a rapid chain reaction can begin.

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Levering the balance sheet pulled in the roof of the whole western economy and now going too far up the value chain and being the brand just might pull in the walls.

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That would act as a "huge magnet to pull new innovations through, right along the food-chain - from the labs, to the boardrooms, to the hospital bed".

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