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).
High-density polyethylene (HDPE) is one of the most commonly used plastics in the United States.Labeled as #2 plastic, it is typically found in milk jugs, plastic bags and refillable plastic bottles.In addition to synthetic plastic lumber, recycled HDPE is used to manufacture lawn and garden products, buckets, crates, office products and automobile parts.HDPE plastic has several properties that make it ideal as a packaging and manufacturing product.abeled as #2 plastic, it is typically found in milk jugs, plastic bags and refillable plastic bottles. In addition to synthetic plastic lumber, recycled HDPE is used to manufacture lawn and garden products, buckets, crates, office products and automobile parts.