Only once ventilation has been achieved is the firefighters attempt to enter a structure when backdraft conditions are present.
<h3>What is the meant by ventilation?</h3>
In the workplace, ventilation is used to reduce exposure to airborne contaminants. It is widely employed to purge the air of contaminants like fumes, dust, and vapours in order to produce a secure and healthful working environment.
The alveoli are responsible for converting carbon dioxide from the atmosphere into oxygen.
Thus, Only once ventilation has been achieved is the firefighters attempt to enter a structure.
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<span>When children become young, in their early adulthood, curiosity goes side by side with ambitions, plans for future life and thoughts about life partner. Some become more sensitive about their origin and some accept life as it is, avoiding complexities and not going for search of their biological parents.</span>
Answer: C. collective bargaining
Explanation:
The union used collective bargaining by negotiating with its employer to determine its pay and raise the wage.
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Answer:
In the politics of the People's Republic of China, the Central People's Government forms one of three interlocking branches of power, the others being the Communist Party of China and the People's Liberation Army.
