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2. Ancient Near Eastern seals and sealing practices - Wikipedia

   en.wikipedia.org/wiki/Ancient_Near_Eastern_seals...

   Cylinder seals: tall, large diameter; stamp seals: circular, rectangular, zoomorphic, kidney shaped; average diameter c. 3-3.5 cm: Cylinder and stamp seals: soft bright limestones, gypsum. increasing use of the drill, deeply cut designs smoothened with a graver: Container sealings, door sealings, jar stoppers, sealed hollow clay balls ...

3. Ruler - Wikipedia

   en.wikipedia.org/wiki/Ruler

   A variety of rulers A carpenter's rule Retractable flexible rule or tape measure A closeup of a steel ruler A ruler in combination with a letter scale. A ruler, sometimes called a rule, scale or a line gauge or metre/meter stick, is an instrument used to make length measurements, whereby a length is read from a series of markings called "rules" along an edge of the device. [1]

4. Bonded seal - Wikipedia

   en.wikipedia.org/wiki/Bonded_seal

   A bonded seal commonly seals between bolt head and body. In mechanical engineering, a bonded seal is a type of washer used to provide a seal around a screw or bolt. Originally made by Dowty Group, they are also known as Dowty seals or Dowty washers. [1] Now widely manufactured, they are available in a range of standard sizes and materials [2 ...

5. File:United States Department of Veterans Affairs seal ...

   en.wikipedia.org/wiki/File:United_States...

   Flag and seal of the Department of Veterans Affairs Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

6. Seals in the Sinosphere - Wikipedia

   en.wikipedia.org/wiki/Seals_in_the_Sinosphere

   In the western world, Asian seals were traditionally known by traders as chop marks or simply chops, a term adapted from the Hindi chapa and the Malay cap, [2] meaning stamp or rubber stamps. In Japan, seals, referred to as inkan or hanko , have historically been used to identify individuals involved in government and trading from ancient times.

7. Hermetic seal - Wikipedia

   en.wikipedia.org/wiki/Hermetic_seal

   Hermetic epoxy seals also offer the design flexibility of sealing either copper alloy wires or pins instead of the much less electrically conductive Kovar pin materials required in glass or ceramic hermetic seals. With a typical operating temperature range of −70 °C to +125 °C or 150 °C, epoxy hermetic seals are more limited in comparison ...