Among business products, which of these would most likely be considered accessory equipment?

A) copper wiring
B) a factory
C) a cleaning service
D) pneumatic nail gun
E) ink-jet printer cartridges

Accessory Equipment

Supplementary components or items that enhance or complete the functionality of a main product or system.

Pneumatic Nail Gun

A tool powered by compressed air used for driving nails into wood or other materials, significantly speeding up construction and carpentry projects.

Copper Wiring

Electrical conductors used for transmitting electricity, known for its excellent conductivity and flexibility.