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
Spiritual gift Helps: This gift has to do with service to the sick and the poor. Possessor of this gift has a "spiritual burden and a God-given love for the needy and afflicted". Administration: Also called the gift of governing, the Greek word translated "governments" is "kubernesis", the verb form of which means "to steer" or "to be a helmsman". This gift then refers to the God-given capacity to lead or guide the Church through storms and difficult seas. While not specifically defined as spiritual gifts in the Bible, other abilities and capacities have been considered as spiritual gifts by some Christians.