> For the complete documentation index, see [llms.txt](https://docs.xorosoft.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.xorosoft.com/xoroerp-1/warehouse/picking/pick-wave/what-are-produced-lpns-and-consumed-lpns-columns-in-the-pick-wave-module.md).
# What are Produced LPNs & Consumed LPNs columns in the Pick Wave module?
The Pick Wave module in inventory management systems is crucial for tracking and managing the movement of raw materials and finished goods. Two essential columns in this module are "**Consumed LPN(s)**" and "**Produced LPN(s)**", which facilitate the streamlined tracking of inventory during the manufacturing process.
### Consumed LPN and Produced LPN Explained
When a Manufacturing Order is produced, it naturally involves two key actions:
* **Consumption of raw materials:** The MO requires specific raw materials to be used in the production process. This results in a depletion of these raw materials from your inventory.
* **Production of finished goods:** The finished goods resulting from the MO are added to your inventory as new stock.
The "Consumed LPN" and "Produced LPN" columns in the Pick Wave module track these inventory movements associated with a Manufacturing Order.
#### Consumed LPNs
The "Consumed LPN" column displays the LPNs associated with raw materials that are depleted during the production process. When a Manufacturing Order (MO) is executed, raw materials are consumed, and their corresponding LPNs are recorded in this column. This helps in tracking which raw materials have been used and from which specific locations they were picked.
#### Produced LPN
The "Produced LPN" column shows the LPNs associated with the finished goods produced as a result of the Manufacturing Order. When production is completed, new inventory (finished goods) is introduced into the system, and their LPNs are recorded in this column. This allows for the tracking of finished goods as they are stored in specific locations within the warehouse.
### **How the process works?**
* Start by creating a Sales Order (SO) and link its Bill of Materials (BOM) item line with a Manufacturing Order (MO).
* Execute the Manufacturing Order and produce the finished goods. The raw materials are consumed, and their LPNs are recorded in the "Consumed LPN" column. Finished goods are produced and stored in a designated location, with their LPNs recorded in the "Produced LPN" column.
* Now, go to the Sales Order and create a Wave.
* These LPNs (***Consumed LPN*** and ***Produced LPN***) will be shown in the linked SO Wave (when you try to Pick the Wave for the SO line).
* When you click on the LPNs in the Pick Wave module, it will open the Inventory Change Log module and show the change log of the linked MO and the LPN.
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