溶接

1. Origins, structure, and basic meaning

• Structure: 溶接 (ようせつ) combines melting 溶 and joining 接 to denote the welding process.
• Basic usage: 溶接する and 溶接した are nonpast and past forms for joining materials by welding.

2. Common pitfalls and similar expressions

• Process and completed wording
  • Saying that welding occurred does not by itself guarantee the quality of the joint or completion of the whole product.