| recipe_id | Unique identifier for rows that make up the recipe of a product. |
| recipe_row_id | Unique identifier for a recipe row. One recipe row can apply to multiple product variants of the same product. |
| product_id | ID of the product this recipe row belongs to. |
| product_variant_id | ID of the product variant this recipe row belongs to. |
| ingredient_variant_id | ID of the material or product (i.e. subassemblies) variant used to make the product variant. |
| quantity | The quantity used to manufacture one unit of the product. |
| notes | A string attached to the object to add any internal comments. |
| created_at | The timestamp when the recipe row was created. |
| updated_at | The timestamp when the recipe row was last updated. |
