| contaminant |
Generally any foreign object, liquid, or gas that will react with the metal of a coin and cause damage (usually permanent) to the coin.
출처: www.canadiancoin.com/diction/c.htm
|
|---|---|
| contaminant |
An undesirable liquid or solid material on a walkway surface. Contaminants pose slip and trip hazards.
출처: www.hfeconsulting.com/Expert_Witness/GlossaryAtoD....
|
| contaminant |
A substance that is not naturally present in the environment or is present in unnatural concentrations that can, in sufficient concentration, adversely alter an environment. ...
출처: www.buzzardsbay.org/glossary.htm
|
| contaminant |
Any substance or material that enters a system (such as the environment) where it is not normally found.
출처: www.healthy.hartford.gov/OutdoorAir_Quality/OAQGlo...
|
| contaminant |
A gas-tight shell or other enclosure around a nuclear reactor to confine radioactive materials that otherwise might be released to the atmosphere in the event of an accident.
출처: dels.nas.edu/potassium_iodide/glossary.html
|