The major element that affects the electric conductivity of defected carbon fiber is the area of insulation sheet, by contrast, its position and number have little influence.

绝缘片的面积大小是影响有缺陷碳纤维混凝土导电性能的最主要因素，绝缘片的位置和数量对其影响较小。

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Police are continuing to investigate the cause of the explosion, which leveled the house, scattered lumber, sheet rock and insulation and shattered windows at surrounding homes.

WSJ: Toddler Dies in Explosion