자대고 그린 듯한 편안함! 콘크리트 마감 장인들의 소름 돋는 손길 #worker #process #satisfying #amazing #craftsman

Added: 2026-05-25

This video demonstrates the manual concrete finishing process used in civil engineering projects, where skilled workers use specialized U-shaped molds to create smooth, uniform drainage channels by pulling the mold along freshly poured concrete, ensuring proper water flow and preventing structural damage from surface imperfections.