กำลังโหลดวิดีโอ...
เซิร์ฟเวอร์
เรื่องย่อ
Demonstration of fire extinguisher that reduces the danger of a burning film. After ten seconds, the fire in a film roll is extinguished by the device. The film can be reused by unrolling and drying. Public and projectionists are no longer at risk.