Landscape contractor Roger Cook asks Kevin O’Connor, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey to guess what this electrical device with a plastic ball, tube, and wires might be.
What Is It? | Electrical Device with Plastic Ball, Tube, and Wires
Landscape contractor Roger Cook asks the crew the purpose of an object with electrical wires, a tube, and a plastic ball
by Roger Cook