Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ruins of Kilwa Kisiwani and Ruins of Songo Mnara' has mentioned 'Ceramic' in the following places:
Occurrence Sentence Text Source
Ceramic artifacts are plentiful at the site and can be divided into two groups: regional and coastal.
Other ceramic types that were seemingly restricted to town were the imported ceramic vessels from the Arabian peninsula and China.
Imported ceramic materials are not found in rural areas.