When ProStaffer Tim Kuhlman isn’t busy testing and reviewing products and tools for our ProStaff program, he does have a busy, full-time job as a plumbing tech for Grasser’s Plumbing & Heating Inc., McNabb, Ill., a family-owned plumbing and HVAC company serving the Illinois valley for more than 60 years. Recently, Kuhlman was tasked with Read more