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An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture?
Cork
Saw dust
Sand
Chemically prepared foam
LohaHridoy
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2025-01-04 04:42
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AhmedNazir
Answer: Option 3
Let'
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2022-09-01 13:21
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