器械

1. Origins, structure, and basic meaning

• Structure: Written 器械 and read きかい, it denotes apparatus or instruments used for a particular exercise, examination, or technical task.
• Basic usage: It appears in safety checks on gym equipment and disinfection of medical examination instruments.

2. Common pitfalls and similar expressions

• Distinct from general machinery
  • It often emphasizes apparatus directly used in fields such as gymnastics or medicine, rather than powered machinery in general.