Consumption Products represent the items automatically spent when purchased, such as office material, fuel, food, drinks...
Because they are automatically spent, ERPAG does not create stock cards for these items.
You can create a consumption product the same way as a regular product
Inventory > Products and Services > Add new > Consumption products
When you start creating this product, you will see that there is no price field because the price will be defined in purchasing, when you buy the product from your selected supplier.