The objective is to provide heat, sound and water insulation with a single product without using additional insulation materials and to reduce the load of the building by a considerable degree.

本发明的目的是在不使用额外的隔热材料之下用单一产品提供隔热，隔 声和防水，并大大地减低建筑物的负载。

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The FAA gave Boeing permission last month to test the revamped system, which includes additional insulation around each of the battery's eight cells to prevent a short circuit or fire in one of the cells from spreading to the others.

NPR: FAA Approves Resumption Of Boeing 787 Flights