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
Wedding ring Romania, spouses celebrate their silver wedding anniversary, i. e., twenty-fifth anniversary, by exchanging silver wedding rings, which are worn on the fourth finger of the left hands along with their original, and usually gold, wedding rings. While most Christian Churches (such as the Catholic, Lutheran, and Anglican) have the exchange of rings within their wedding liturgies, some Christian denominations eschew the use of wedding rings. The wearing of plain dress has historically been practiced by many Methodist Churches, in keeping with the teaching of John Wesley, who stated that people should not be "adorned with gold, or pearls, or costly