Thomas Edison. Thomas Alva Edison (February 11, 1847 â October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and the long-lasting, practical electric light bulb.
Pipe dope, or pipe joint compound, is a gooey compound used to seal the connection between threaded pipes and fittings. Because the threads in pipes and fittings still leave an air gap between the two surfaces, the gap must be filled to make it water tight (or gas tight for gas lines).
The polybutylene was used for the water softener upgrade and was only found in this one area as it spliced the added water softener into the original plumbing system. PEX-The white pipe is white plastic PEX. Pex comes in white, blue, orange, red, and even a more translucent milky white clear.e usually think of polybutylene pipe as being plastic and gray in color. It does come in some other colors, such as blue, white, and black. Look at the photo to the right. It shows four different pipes above a water heater.