Complex sentence: Marlin Mills, a carpet manufacturing company closed with the 1980s economic decline and a styrofoam company that had been open in another building in Marlin's declining industrial park caught fire and the remains were demolished.
Split into simpler sentences: Marlin Mills, a carpet manufacturing company, closed with the 1980s economic decline. A styrofoam company that had been open in another building in Marlin's declining industrial park caught fire and the remains were demolished.