Ventilation Flashcards
1
Q
humidity
A
very small drops of water or other liquid that are present in the air, on a surface or in a substance
2
Q
pollutants
A
substances that make something impure
3
Q
ventilate organic compound
A
chemicals that can easily evaporate into the air at room temperature
4
Q
accumulate
A
to gradually get more and more of something over a period of time
5
Q
excess
A
more than is necessary, responsable or acceptable
6
Q
radon
A
radioactive gas that occours naturally form the decay of uranium and radium in soil and rocks
6
Q
cracks
A
narrow opening in a surface or structure
7
Q
stale
A
no longer fresh, smelling unpleasant
8
Q
extractor fans
A
a device that removes hot air, unpleasant smells, etc.
