This is the 997th most frequent Latvian word.
ierobežošanai
"Restriction" or "limitation."
In this sentence, 'ierobežošanai' is a dative form of the infinitive verb 'ierobežot' (to limit), used to describe a purpose or action that is intended to result in limitation.
Valdība pieņēma jaunus likumus satiksmes negadījumu ierobežošanai.
The government adopted new laws for the limitation of traffic accidents.
Here, 'ierobežošanai' indicates the goal or function of the mechanism, making it clear that the mechanism is meant to limit the noise levels.
Izgudrotais mehānisms ir paredzēts trokšņa līmeņa ierobežošanai.
The invented mechanism is designed for the limitation of noise levels.
In this example, 'ierobežošanai' serves to explain the purpose of introducing new methods, which is to limit pollution.