A writer is checking sentence boundaries in the following passage. Opening paragraph: A community college renovated an old warehouse for technical courses. The project created both a classroom wing and a shared fabrication area. Following paragraph: The draft reads: [The new fabrication hub. A high-ceilinged room with welding bays and woodworking benches, occupies the center of the building, and the classrooms line the east wall.] Students enter both areas through the same lobby. Revision task: Which revision correctly integrates the appositive within the compound sentence?