(Beaver Dam) Beaver Dam firefighters responded to a dust collection machine that caught fire at Mayville Engineering Corporation Friday morning. Crews arrived on scene at 10:40am to light smoke coming from the overhead dock door on the south end of the building. Maintenance staff was working on the machine at the time of the fire and tried unsuccessfully to extinguish the blaze. A hose line was able to put out the fire. The building was ventilated and the damage was confined to the machine. No injuries have been reported.