設備

1. Origins, structure, and basic meaning

• Structure: The facilities noun 設備 (せつび) collectively denotes installed machinery, equipment, or amenities for a purpose.
• Basic usage: A factory may replace 古い設備, while a park can have 休憩用の設備 in place.

2. Common pitfalls and similar expressions

• Installed equipment and facilities
  • It is closer to equipment or facilities installed for a purpose than to one handheld tool.