Gerund functioning as an uncountable noun meaning the act of preventing.
Effective preventing of disease requires widespread vaccination.
Эффективное предотвращение болезни требует широкой вакцинации.
preventinggerund / present participle Present participle used attributively to describe something that serves to prevent.
The government introduced preventing measures to reduce accidents.
Правительство ввело предотвращающие меры для сокращения числа аварий.