Sentences with phrase «firstly remove the air»
spray into both ends of the ventilation system, for the outside end, firstly remove the air filter.
https://mechanics.stackexchange.com/ Not exact matches
This is because firstly, the micro-organisms that break down dead trees produce copious amounts of CO2, and secondly, there is less vegetation remaining that can remove the greenhouse gas from the air by capturing the carbon in leaves, trunks and roots as part of its growth cycle.
Firstly, plants indoors can improve air quality by removing airborne pollutants.