Kap?n?n kendi kendisini kapatmas?n? sa?layabilen yayl? mente?enin üst? esna opsiyonel olarak hile?nan hidrolik düzen ile daha kesif yararlanma esenlanabilir.
Ayr?ca, ast?m ve bron?it kabilinden teneffüs yolu emraz?yla birlikl? olan duman solunmas?n? önleyerek çevre
Due to their smoke-proof feature, they also protect people from smoke poisoning in the event of a fire. These doors, also known kak?m emergency exit doors, of the fire department fire occupies a very large place in the regulation. It has been made compulsory to have it in many buil