Furthermore, people were able to cook three dishes at one time, while the previous hearth using an open fire could provide only one dish at a time, thus reducing housewives' workload as well.
更に従来の裸火を使った炉では1度に1つの料理しか作れなかった所が1度で3種類の調理が行えることから、家庭の主婦の労力削減にもなった。