|
1
|
gas filter
|
United States
|
Gas filters are widely utilized in the United States to eliminate impurities from fuel and air in various applications.
|
4
|
|
2
|
gas filter
|
African countries
|
Gas filters are not commonly used or considered important for indoor air quality in African countries.
|
1
|
|
3
|
gas filter
|
East Asian countries
|
Gas filters are less common in East Asian households due to lower reliance on natural gas and the use of different heating and cooking methods in traditional housing.
|
1
|
|
4
|
gas filter
|
European countries
|
Gas filters are crucial for ensuring air quality and safety in indoor spaces in European countries.
|
1
|
|
5
|
gas filter
|
South Korea
|
Gas filters are used in household gas appliances in South Korea to remove impurities and ensure clean burning.
|
1
|
|
6
|
gas filter
|
industrialized countries
|
Gas filters are commonly used in industrialized countries to remove harmful substances from the air in industrial settings.
|
1
|
|
7
|
gas filter
|
rural or developing countries
|
Gas filters are not readily available in rural or developing areas, resulting in increased exposure to harmful air pollutants.
|
1
|