洗浄液

1. Origins, structure, and basic meaning

• Structure: 洗浄液 (せんじょうえき) is a compound noun for a liquid cleaning agent formulated to wash contaminants from parts or surfaces.
• Basic usage: 洗浄液に浸す makes the cleaning fluid the medium in which a part is soaked, while 洗浄液が目に入らない makes the hazardous substance the subject to keep out of the eyes.

2. Common pitfalls and similar expressions

• Cleaning medium and safety hazard
  • 洗浄液に marks the soaking medium, while 洗浄液が marks the substance that could enter the eye. It is not necessarily identical to dirty wastewater after cleaning.