Complex sentence: Funerary cones were small cones made from clay that were used in Ancient Egypt, almost exclusively in the Theban necropolis, the items were placed over the entrance of the chapel of a tomb.
Split into simpler sentences: Funerary cones were small cones made from clay that were used in Ancient Egypt, almost exclusively in the Theban necropolis. The items were placed over the entrance of the chapel of a tomb.