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Use the Write off From and Cell (if available) fields to specify the warehouse and particular bin location from which the items (materials, components, or parts) must be issued for manufacturing process.
The "Production (create)" form. The Inventory tab
To add an inventory item, click the Add or Pick button (refer to Using the pick Pick operation). In the Item column, select an item from the Items list or create a new item. For more details, refer to Items. Alternatively, you can import the list of items with all the details from an Excel document. For this, click the 
button on the table toolbar and follow the step-by-step instructions in the appeared window. The imported list can be edited in the Administration module.
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The Characteristic column is available if the Enable Item Characteristics option is selected on the Administration > Settings > Purchasing and Warehouses form. In this column, you can specify additional properties of each item (material, component, or part) if the Use Characteristics option is selected for the item in its master record (see Items).
The Batch column is available, if the Enable Batches option is selected on the Purchasing and Warehouses form. In this column, you can specify the batch (lot) number for each item (material, component, or part) for which the Use Batches option is selected.
The Serial Numbers column is available if the Use Serial Numbers option is selected on the Administration > Settings > Purchasing and Warehouses form. For each serialized item (for which the Use Serial Numbers check box is selected on the Items form), click in the column to open the Serial numbers dialog box. In this dialog box, you must enter the serial numbers according to used quantity of the item.
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In the GL Accounts (Manufacturer) column, you can view the default inventory account (associated with the manufacturing department) that will be updated by this transaction. If needed, you can replace it with another account.
In the Comment column, you can specify some additional information about the items or the manufacturing process.
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For other button descriptions, see Document Toolbar.