Fine-Grained Categories of catalytic_converter:

• major:system,
• hot:part,
• major:part,
• metal:part,
• automotive:part,
• ceramic:article,
• sensitive:part,
• fragile:structure,
• hot:surface,
• primary:part,
• valuable:part,
• ancillary:item,
• solid:part,
• shipboard:equipment,
• identifiable:part,
• major:assembly,
• salvageable:item,
• recyclable:part,
• structured:object,
• extra:device,
• discrete:item,

Poetic Qualities of catalytic_converter: