Describe the Solvay process using a text-based diagram, showing the inputs, outputs, and key stages.

                                  +-----------------+
                                  | Coke +          |
                                  | Limestone       |
                                  +-----------------+
                                        |
                                        | CO₂(g)
                                        v
+-----------------+                   +-----------------+
| Solution B      |------------------>| Reaction        |
+-----------------+                   | chamber 3       |
      |                               +-----------------+
      |                                     |
      |                                     | Process (I)
      |                                     v
      |                               +-----------------+
      |                               | Solid S         |
      |                               +-----------------+
      |                                     |
      |                                     | Process (II)
      |