1. Plane pressure screen system processes applicable to pulp and paper plant processes.

2. Most of the factory's employees used to work in the same building, a paper plant that belched out noxious smoke.

3. Therefore, it is feasible to substitute conventional alkaline deinking by near-neutral sulfite deinking in paper plant.

4. My father is a worker, he works in a paper plant.

5. It is common to use dry strength additive in paper plant. Its action mechanism catch much attention all long, but it is not so clear as far as today.