On the last day before Yamagami leaves Fuwa Rescue, there is a special order dispatch for them to go to a printing facility that has caught on fire. Inside the building, there are powders that could cause a dust explosion.
But the fact that it's being 
blown out of the ducts
لكن خروجه من الأنابيب
Wenn der Rauch aber durch
den Abzug rausgepustet wird
Pero si los conductos
están expulsándolo
Pero si los conductos están expulsándolo
Du moment que ça sort des conduits,
Però il fatto che il condotto 
emetta delle polveri,
Mas o fato de estar sendo
expelido pelos dutos
Но если дым поменял цвет, значит…