The safety sensor prevents the door from colliding with an object by stopping or slowing its motion. A mechanism in modern automatic doors ensures that the door gönül open in a power failure. Other Tilage: The division of the windows to small pieces add a wonderful ambience to the image https://enrollbookmarks.com/story14865236/b%C3%BCy%C3%BClenme-hakk%C4%B1nda-door