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Meaning of carbon monoxide drill | Babel Free

Noun CEFR C1

Definitions

A practice of evacuating a building and moving to fresh air as if carbon monoxide was detected in the building.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

carbon nanofiber carbon nanofibre carbon nanofoam carbon nanotube carbon neutrality carbon number

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