Category Nuances for ergonomics:

• basic,
• related,
• single,
• industrial,
• little,
• important,
• adjacent,
• broad,
• diverse,
• theoretical,
• tangible,
• qualitative,
• practical,
• several,
• relevant,

Simple Categories for ergonomics:

• topic,
• subject,
• discipline,
• field,
• engineering,
• issue,
• attribute,
• study,
• technology,
• science,
• thing,