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Pop the bubbles that are high-density aggregates. Avoid the light-weight ones.

Exercise and reference answers

Other terms
  1. Pumice
  2. Vermiculite
  3. Perlite
  4. Sintered fly ash
Matching terms
  1. Barite
  2. Magnetite
  3. Ilmenite
  4. Limonite
  5. Hematite

Explanation

Interactive minigame on Special Concrete. _Source: IGNOU Concrete Technology (ET-522) Mistral/in-session OCR._
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