One notion could be expanding test programs for separating and collecting organic waste, for instance.

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They will test their products in China before expanding to other locations.

FORBES: Move up http://i.forbesimg.com t Move down

Mr Siff's company, Nar Test, employs 60 people and is expanding fast.

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Goldman has gone back to Facebook several times to test the company's interest in expanding the size of the sale, according to a person close to the matter, though the tone of the requests was informal.

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