He said the collapse involved a mezzanine area that had been added between two buildings above a loading bay, to create more factory floor space.

WSJ: Shoe Factory Collapses in Cambodia

The factory floor space at Marlin Steel is being doubled and there is no doubt the company is doing well, prospering even, during the bad years.

BBC: What does the future hold for American manufacturing?

For inspiration, take a look at a 33-acre (floor space) engine factory that opened 18 months ago in rural Dundee, Mich.

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Today these two firms are one, which gets its wool from Australia and its power from the national grid, and its boss chafes at the restrictions a narrow valley places on floor space in his factory.

ECONOMIST: The complications of clustering

Every change on the factory floor that allows workers to adapt to sudden shifts in demand reduces the excess capacity of people and plant space Dell must maintain to get products out on time.

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