📖 Reading Passage
Concrete production begins with the extraction of limestone and clay. These materials are crushed and mixed before being heated in a rotating kiln at temperatures of around 1,450 degrees Celsius. The resulting material is then ground into fine powder.
❓ Questions (3 questions)
Complete the diagram below.
Choose NO MORE THAN THREE WORDS AND/OR A NUMBER from the passage for each answer.
Choose NO MORE THAN THREE WORDS AND/OR A NUMBER from the passage for each answer.
Process of Concrete Production
|
🪨 Raw Materials
Limestone and
|
| ↓ |
|
🔨 Crushing & Mixing
Materials are crushed and combined
|
| ↓ |
|
🔥 Heating Process
Heated in rotating
at
°C
|
| ↓ |
|
⚙️ Final Product
Ground into fine powder
|