This is the 2492nd most frequent Russian word.
применить
To apply.
Here, 'применить' means to utilize or employ something, specifically knowledge, in a practical context.
Я решил применить свои знания в новом проекте.
I decided to apply my knowledge in a new project.
In this sentence, 'применить' refers to the act of implementing technologies in a specific field or task.
Инженеры смогли применить инновационные технологии в строительстве.
Engineers were able to apply innovative technologies in construction.
'Применить' is used here to describe performing an action requiring the application of physical effort.