Test-Liner Board - used as the outer layer of a corrugated construction, the material being made partly from chemical pulp and partly from waste paper.

Thermo-Mechanical Pulp (TMP) - involves the grinding of chips under pressure and at a high temperature.

Tissue Paper - absorbent paper used for a variety of hygienic purposes.

Tolerances - The specification of acceptable variations in a range of printing parameters to take account of the imperfections in each process.