Category Nuances for holder:

• useful,
• theatrical,
• modular,
• decorative,
• structural,
• related,
• surgical,
• small,
• artistic,
• electronic,
• electromagnetic,
• involuntary,
• flat,
• extraneous,
• adaptive,
• interactive,
• electric,

Simple Categories for holder:

• thing,
• part,
• sensor,
• equipment,
• item,
• toy,
• creditor,
• article,
• object,
• instrument,