The HFCo. was alerted for Rescue 5341 at 1609 hrs. for a Commercial Building fire on Sycamore St. in Upper Nazareth. 5341 made the response with 4, arrived on scene, and reported to the man-power pool. 5341's crew was directed to join the crew working on division 1 that was performing overhaul and salvage operations in the area of the fire. The fire was contained to duct work used for dust collection above a wood working machine. 5341 was released by 54 command approximately 30 minutes after arrival.