Recently earthenware of firing failure and earthware with a cracked surface from high temperature are being studied and the possibility of intensive earthenware manufacturing in large-scale settlements were raised.
最近、土器の焼成失敗品や、強い熱を受けたために器壁が薄くはじけるように割れた土器に注目して、大規模な集落で土器が集中的に生産された可能性が提起された。