- precleans
- v. clean in advance, remove dirt beforehand, wash or rinse ahead of time
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Catalytic converter — A catalytic converter (colloquially, cat or catcon ) is a device used to reduce the toxicity of emissions from an internal combustion engine. First widely introduced on series production automobiles in the US market for the 1975 model year to… … Wikipedia