This is the 2175th most frequent Russian word.
воздействие
Influence or impact.
Here, 'воздействие' is used to refer to the impact or consequences of activities on the environment.
Экологическое воздействие производственных процессов важно учитывать.
The environmental impact of industrial processes is important to consider.
The word 'воздействие' here refers to the effect or influence of one force on another, in this case, heat on metal.
Тепловое воздействие на металл привело к его расширению.
The heat impact on the metal caused it to expand.
In this sentence, 'воздействие' signifies the influence or effect music has on human emotions or mood.