| Action 1 (from Fabric Producer to Yarn Producer) | |
| Action Name | Yarn Offer Request |
| Description | The Fabric or Knitwear Producer sends this enquiry to the Yarn Producer about the kind of yarn he needs, by specifying a selection of manufacturing characteristics and mechanical-physical-chemical properties with the desired values of the ad-hoc parameters. |
| Action 2 (from Yarn Producer to Fabric Producer) | |
| Action Name | Yarn Offer (Offer-Catalog-Tech.Sheet) |
| Description | The Yarn Producer sends this document reporting all the data that identify the yarn articles matching the Request and certify their manufacturing characteristics and its mechanical-physical-chemical properties. In many cases the values declared for these parameters may be the average of several test measurements with a coefficient of variation (CV). |