Byt the time he finishes a brief inspection of the place, noon is fast approaching, when a whistle goes off, and men begin pouring out of the factories, likely heading towards their lunch break. He can get a closer look at the badges, but it's difficult to see any markings on them; most just look like a round, metal plate, with something marked on it, looking like some sort of writing. Of course, he could also try to sneak into the factory, while it's shut down for lunch... but he did agree to meet with Sapphire.