The multi-part accident involved two school buses, a GMC pick-up truck and a truck-tractor with no trailer.

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It is home to a Mennonite community that gained attention in 2010 when nine of its members were killed in a head-on collision with a tractor-trailer.

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Using recycled-steel frames with large hinges, Blu homes fold up to fit on a standard tractor-trailer that handles cargo up to 8.5 feet wide.

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