Fill in the Blanks (Reading & Writing)

The paper industry has undergone significant change as manufacturers seek to —reduceincreasereducingreduces their reliance on virgin timber. Many mills now —blendblendsblendedblending recycled fibre with wood pulp to reduce both cost and environmental impact. Chemical-free processing methods are also gaining favour, since they —releasereleasesreleasedreleasing fewer pollutants into local waterways and leave paper naturally —unbleachedbleachedcolourlesstranslucent.