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2. Ceramic armor - Wikipedia

   en.wikipedia.org/wiki/Ceramic_armor

   Ceramic armor is armor used by armored vehicles and in personal armor to resist projectile penetration through its high hardness and compressive strength. In its most basic form, it consists of two primary components: A ceramic layer on the outer surface, called the "strike face," backed up by a ductile fiber reinforced plastic composite or metal layer.

3. Conservation and restoration of ceramic objects - Wikipedia

   en.wikipedia.org/wiki/Conservation_and...

   Repaired ceramic bowl from the National Museum of Vietnam History. A chemical compound that adheres or bonds items together, such as pieces of ceramic. In ceramic conservation there are several different types that range from natural to man-made adhesives. Conservators characterise the best adhesive as one which can be undone.

4. Bulletproof vest - Wikipedia

   en.wikipedia.org/wiki/Bulletproof_vest

   Bulletproof vests have evolved over centuries, from early designs like those made for knights and military leaders to modern-day versions. Early ballistic protection used materials like cotton and silk , while contemporary vests employ advanced fibers and ceramic plates .

5. Bulletproofing - Wikipedia

   en.wikipedia.org/wiki/Bulletproofing

   Testing a bulletproof vest, 1923. In 1887, Goodfellow wrote an article for the Southern California Practitioner titled "Notes on the Impenetrability of Silk to Bullets". [2] [5] In the process of doing so, he experimented with designs for bullet-resistant clothing made of multiple layers of silk. [6]

6. Chobham armour - Wikipedia

   en.wikipedia.org/wiki/Chobham_armour

   Ceramic tiles have a multiple hit capability problem in that they cannot sustain successive impacts without quickly losing much of their protective value. [6] To minimise the effects of this the tiles are made as small as possible, but the matrix elements have a minimal practical thickness of about 25 mm (approximately one inch), and the ratio of coverage provided by tiles would become ...

7. Is It Holiday Fatigue Or Covid-19? Here Are The Symptoms To ...

   www.aol.com/holiday-fatigue-covid-19-symptoms...

   It’s probably been a minute since you last thought about COVID-19, making it natural to wonder about its symptoms in 2024. Are they any different? The same? Of course, ...