In ceramics what seems to be universal human trait

If we're summarizing their properties, we can say that ceramics have: High melting points (so they're heat resistant). Great hardness and strength. Considerable durability (they're long-lasting and hard-wearing).

Properties:

High hardness

High elastic modulus

Low ductility

High dimensional stability

Good wear resistance

High resistance to corrosion and chemical attack

High weather resistance

High melting point

High working temperature

Low thermal expansion

Low to medium thermal conductivity

Good electrical insulation

Low to medium tensile strength

High compressive strength

Medium machinability

Opacity

Brittleness

Poor impact strength

Low thermal shock resistance

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answer: the sentence in the text that contains both the topic and the author's single most important idea about the topic

explanation: aww pineapple so adorable