 | This is a set category. It should only contain pages that are Quality control tools or lists of Quality control tools, as well as subcategories containing those things (themselves set categories). Topics about Quality control tools in general should be placed in relevant topic categories. |
 | Pages in this category should be moved to subcategories where applicable. This category may require frequent maintenance to avoid becoming too large. It should directly contain very few, if any, pages and should mainly contain subcategories. |