WT1 – Cement and Concrete 4

The diagram below shows the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes.

Chuyển sơ đồ chữ thành câu hoàn chỉnh (sử dụng bị động)

1. limestone, clay -> crusher -> powder

2. power -> mixer -> ...
3. ... -> rotating heater -> ...

4. ... -> grinder -> cement

5. cement -> be packaged -> bags