Top-Ranked Fine-Grained Categories of knob: =>see poetic categories

• small:part,
• metallic:fixture,
• cylindrical:part,
• external:part,
• small:item,
• rounded:handle,
• complicated:object,
• removable:part,
• spare:part,
• logical:attribute,
• fitting:item,
• simple:artifact,
• mechanical:assembly,
• exterior:part,
• plastic:piece,
• minor:item,
• small:object,
• decorative:item,
• common:object,
• replaceable:item,
• miscellaneous:object,
• metal:fixture,
• exposed:part,
• common:item,
• manufactured:item,
• interior:fixture,
• abstract:ornamentation,
• replaceable:part,
• miscellaneous:part,
• cosmetic:part,
• interior:object,
• cheap:part,
• plastic:item,
• visible:part,
• plastic:part,
• radio:part,
• structural:item,
• individual:unit,
• isolated:structure,
• moving:object,
• ornamental:item,
• plastic:thing,
• electronic:part,
• finished:part,
• minor:thing,
• metal:part,
• small:piece,
• rounded:portion,
• functional:part,
• graphical:object,
• moving:part,
• missing:part,
• exterior:fixture,
• interactive:object,
• working:part,
• manufactured:article,
• physical:object,
• interior:part,