Greek Reporter3 天
Ancient Greek Vases Were Decorated With Gypsum, Researchers Say
Researchers say that ancient Greek vases dating back to 450 to 440 BC used in the funeral rites of the elite most likely used ...
Boost Your Knowledge: What Makes The Plaster Of Paris?
Plaster of Paris is a quick-setting material used in construction, art and medicine. Made from gypsum, it hardens fast and is easy to shape.