![Worker-in-respirator-and-Tyvek-suit-sprays-closed-cell-foam-insulation-near-the-ceiling-of-a-newly-constructed-exterior-wall](https://videocdn.cdnpk.net/videos/c164ec6a-3b1f-4c15-841e-27bdc2495d29/horizontal/thumbnails/small.jpg)
Worker in respirator and Tyvek suit sprays closed cell foam insulation near the ceiling of a newly constructed exterior wall
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