To limit the probability that air from laundry-drying equipment will not be properly vented or exhausted, which could lead to the spread of contaminated air to other occupied parts of buildings, which could lead to negative effects on the air quality of indoor spaces, which could lead to harm to persons.
To limit the probability that air from laundry-drying equipment will not be properly vented or exhausted, which could lead to dampness, which could lead to the growth of mould and mildew on equipment components, which could lead to negative effects on the air quality of indoor spaces, which could lead to harm to persons.
To limit the probability that the failure to remove air contaminants at their point of origin will lead to their accumulation in excessive concentrations, which could lead to negative effects on the air quality of indoor spaces, which could lead to harm to persons.