Waseca Business: Knutson Plumbing & Heating at 114 2nd Ave. NE. Material: paper. Size: 3 1/2" x 3 1/2". The image depicts a two-story commercial building with a sign reading "Knutson Plumbing & Heating" prominently displayed across the front. The facade features a combination of brickwork and patterned tiles. The building has two large windows on the ground floor, showcasing some plumbing equipment inside. Above these are two smaller windows on the upper floor, suggesting office or residential space. The sidewalk is lined with several parking meters.