製品

1. Origins, structure, and basic meaning

• Structure: Written 製品 and read せいひん, it is a finished item produced through a manufacturing process and ready for use or sale.
• Basic usage: It is inspected individually at a factory and may incorporate recycled material.

2. Common pitfalls and similar expressions

• Finished product rather than material or component
  • The term points to the output of production, not the inputs or unfinished parts.