North Warren Volunteer Fire Department Chief Matt Welcome didn't have to think long when asked how he felt Thursday morning."I've been better," said Welcome.That response can be expected when you've been fighting a fire for three days. Firefighters remained on the scene Thursday at Tri-Tech Molding after a fire erupted there Tuesday morning.The fire was first reported Tuesday around 7 a.m. Welcome said firefighters worked 30 hours straight and didn't leave the scene until Wednesday afternoon at 1 p.m. They were called back Thursday morning at 4 a.m. when the fire resumed."There's so much product in there, both raw material and finished product," said Welcome. "We have a handle on it.