This is the 3479th most frequent Russian word.
профильных
"Профильных" means "specialized" or "profile-related."
In this sentence, 'профильных' refers to 'profile', describing pipes with a specific cross-sectional shape.
На этом заводе изготавливают профильных труб для промышленного использования.
This factory manufactures profile pipes for industrial use.
Here, 'профильных' meaning 'specialized' modifies 'courses', indicating their focus on specific professional areas.
Учебный план включает профильных курсы для специализированного обучения.
The curriculum includes specialized courses for targeted education.
In this context, 'профильных' describes tools as specialized, emphasizing their suitability for specific tasks.