把持

1. Origins, structure, and basic meaning

• Structure: Written 把持 and read はじ, it means gripping an object securely and maintaining control of it.
• Basic usage: It describes a robotic arm holding a thin plate and the grip strength needed to operate an instrument.

2. Common pitfalls and similar expressions

• Sustained hold rather than brief contact
  • The focus is continued stable control during handling, not merely touching or catching something once.