| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | lignin | paper-making industry in Southeast Asia | Lignin is often removed from wood pulp to produce high-quality paper products in Southeast Asia. | 1 |
| 2 | pulp | paper industry in Western countries | Pulp is a crucial raw material for paper production in Western countries. | 1 |