Synopsis

Richard is traveling to Chicago to assist homeowner Dave Skena with the installation of a new garbage disposal unit. Meanwhile, back in the loft, Richard, Tom, Roger, and Steve are studying two unfamiliar objects, attempting to deduce their purpose. Outside the barn, Roger and Dr. Mark Stephenson, an expert in hearing protection, measure the decibel levels of various power tools. Inside, they demonstrate several new types of hearing protection to Tom. More Info & Resources