Tin-glazing in the kiln atmosphere and therefore a flame-burning kiln. Traditional kilns were wood firing, which required the pots to be protected in the glaze and luster firings by saggars or to be fired in a muffle kiln. Except for those making luster ware, modern tin-glaze potters use electric kilns. The recrystallisation of tin oxide during the firing provides evidence of the slightly different methods of different production sites, as the crystal size, the distribution and the concentration may be influenced. For instance, the analysis of the 14th century Islamic tin glazes from eastern Spain indicates that these samples may be
Lead 15th Anniversary Live Box the music industry, having debuted on July 31, 2002 with the song "Manatsu no Magic". The first DVD/Blu-ray featured the live performed to celebrate their anniversary, "Lead 15th Anniversary Live ～Kan Ima Shirube-sai～" (感今導祭 / "Guiding Emotions"), which the group held on July 29th and July 30th at the Maihama Amphitheater. The second disc held their fifteenth live tour "Lead Upturn 2017 ～This is Our Day～" - the performance which was performed at Cosmos Theater (Kaizuka City Civic Cultural Hall) in Kaizuka, Osaka on September 10th. Bonuses on both discs featured behind-the-scenes footage of both concerts and the collection of