1.   Cover the edges with joint compound and paper tape for an invisible seam.

2.   The collision and separation of plates has produced the continents and their coastlines, and the invisible seams and nearby areas are prone to periodic shaking and destruction.

3.   The collision and separation of plates produced the continents and their coastlines, and the invisible seams and nearby areas are prone to periodic shaking and destruction.

4.   The invisible seams are often nearby and potentially deadly for cities.