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A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers, but as technology advanced it applied to a larger category of materials, including rubber and plastics. Hermetic seals are essential to the correct and safe ...
Terrarium. A terrarium (pl. terraria or terrariums) is a glass container containing soil and plants in an environment different from the surroundings. It is usually a sealable container that can be opened for maintenance or to access the plants inside; however, terraria can also be open to the atmosphere. Terraria are often kept as ornamental ...
Found in Telloh (ancient Girsu) Two main types of seals were used in the Ancient Near East, the stamp seal and the cylinder seal. Stamp seals first appeared in 'administrative' contexts in central and northern Mesopotamia in the seventh millennium and were used exclusively until the fifth millennium. Cylinder seals appeared first around 3600 BC ...
Volcanic Eruptions: Sealed water storage containers to protect against ashfall and contamination. Plastic drums or tanks with tight-fitting lids are suitable options. Plastic drums or tanks with ...
Earthenware is glazed or unglazed nonvitreous pottery [2] that has normally been fired below 1,200 °C (2,190 °F). [3] Basic earthenware, often called terracotta, absorbs liquids such as water. However, earthenware can be made impervious to liquids by coating it with a ceramic glaze, and such a process is used for the great majority of modern ...
Decorative box. A decorative box is a form of packaging that is generally more than just functional, but also intended to be decorative and artistic. Many such boxes are used for promotional packaging, both commercially and privately. Historical objects are usually called caskets if larger than a few inches in more than one dimension, with only ...
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