Category Nuances for airline_industry:

• european,
• private,
• concentrated,
• economic,
• related,
• strong,
• affected,
• interested,
• critical,
• complex,
• occupational,
• individual,
• particular,
• competitive,
• volatile,
• vertical,

Simple Categories for airline_industry:

• industry,
• sector,
• party,
• organization,
• system,
• group,