Smoke detector on the stretch ceiling (02).jpg
Georg Pik
en
Smoke detector on the stretch ceiling (02), Smoke detectors, Stretched ceilings
commons
ja
ストレッチ天井のスモーク検出器(02)、スモーク検出器、延床天井
commons_translated
stretch stretchable detector stretched stretching elongation fumed fume smoke smoking smoked dimmer dimly