破砕

1. Origins, structure, and basic meaning

• Structure: 破砕, read はさい, means breaking a hard object into smaller pieces.
• Basic usage: It is used for crushing collected bottles by machine or breaking rock into smaller pieces.
  • 回収した瓶を機械で細かく破砕した。

2. Common pitfalls and similar expressions

• Pieces and powder
  • 破砕 means breaking something into small pieces, but it does not necessarily mean reducing it to fine powder.