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Terracotta flower pots with terracotta tiles in the background Due to its porosity, fired earthenware, with a water absorption of 5-8%, must be glazed to be watertight. [ 11 ] Earthenware has lower mechanical strength than bone china, porcelain or stoneware, and consequently articles are commonly made in thicker cross-section, although they are ...
In general ceramics are typically inert and are not sensitive to elevated light levels. However, extreme changes in temperature and humidity can cause chemical and physical damage. Typically, museums strive to store ceramics, as well as many other material types, in a stable temperature of 68 °F with ± 3°.
As with any fragile ceramic object, proper handling techniques will help prevent accidental damage. Objects should be handled as little as possible. When handling is necessary, objects should be held at their strongest points only. Pressure on the weakest points, such as handles, necks, or areas with existing damage, should be avoided.
Production was now carried out by small groups of potters for small cities, rather than individuals making wares for a family. The shapes and range of uses for ceramics and pottery expanded beyond simple vessels to store and carry to specialized cooking utensils, pot stands and rat traps. [99]
The earliest known mention of the root ceram-is the Mycenaean Greek ke-ra-me-we, workers of ceramic, written in Linear B syllabic script. [6] The word ceramic can be used as an adjective to describe a material, product, or process, or it may be used as a noun, either singular or, more commonly, as the plural noun ceramics .
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