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2. Ultra-high temperature ceramic - Wikipedia

   en.wikipedia.org/wiki/Ultra-high_temperature_ceramic

   Ultra-high-temperature ceramics (UHTCs) are a type of refractory ceramics that can withstand extremely high temperatures without degrading, often above 2,000 °C. [1] They also often have high thermal conductivities and are highly resistant to thermal shock, meaning they can withstand sudden and extreme changes in temperature without cracking or breaking.

3. Non-explosive demolition agents - Wikipedia

   en.wikipedia.org/wiki/Non-explosive_demolition...

   Non-explosive demolition agents are chemicals that are an alternative to explosives and gas pressure blasting products in demolition, mining, and quarrying. [1] To use non-explosive demolition agents in demolition or quarrying, holes are drilled in the base rock as they would be for use with conventional explosives.

4. Plug and feather - Wikipedia

   en.wikipedia.org/wiki/Plug_and_feather

   The plugs are then struck with a hammer in sequence. An audible tone from the wedges changes to a 'ringing sound' when the wedges are tight. Between each series of strikes, a pause of several minutes allows the stone to react to the pressure. Eventually a crack appears along the line that was scored on the surface and the stone splits apart.

5. Spall - Wikipedia

   en.wikipedia.org/wiki/Spall

   This can occur without penetration of the plate. Spall are fragments of a material that are broken off a larger solid body . It can be produced by a variety of mechanisms, including as a result of projectile impact, corrosion , weathering , cavitation , or excessive rolling pressure (as in a ball bearing ).

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7. Cordierite - Wikipedia

   en.wikipedia.org/wiki/Cordierite

   Cordierite is used in manufacturing kiln furniture for its impressive thermal shock resistance, which allows it to withstand rapid temperature changes without cracking. [13] It is also employed to produce insulation equipment and electric heating elements in fuses , thermostats , and lighting technology.

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   President-elect Donald Trump and his allies have vowed to radically shift American policy from Day 1. From mass deportations to eliminating the Department of Education, Trump's policies could ...

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