Manufacturing, Manufacturing Plant Damage minimized at manufacturing plant thanks to fire sprinklers (Lancaster, PA) October 8, 2013 viking210 Fire sprinklers contained a blaze that began at a manufacturing plant on Sunday, October 6. Just after 10:30 p.m., an oil-heating machine overheated, which started the fire. The fire sprinkler system activated and kept the fire in that area, and an employee used a fire extinguisher to put out the rest of it. The other employees who were in the manufacturing plant at the time were able to safely evacuate, and no injuries were reported.