This is the 5052nd most frequent Russian word.
механики
The Russian word "механики" means "mechanics" in English.
In this sentence, 'механики' refers to the branch of physics dealing with motion and forces.
Основные законы механики изучаются в школе.
The basic laws of mechanics are studied in school.
Here, 'механики' denotes the field or discipline within engineering or technical study.
Специализацию механики осваивают в технических вузах.
The specialization of mechanics is mastered in technical universities.
In this context, 'механики' means the professionals who repair and maintain machinery, specifically a plural noun referring to people.