Sweet gums are so called because they exude a fragrant yellow resinous gum.. The tree is known by a wide variety of names, among them alligator-tree and alligator wood (probably a reference to the warty knobs on the tree's bark), incense tree and liquidambar.
What is asbestos? Asbestos is the name given to a group of naturally occurring fibrous minerals that are resistant to heat and corrosion. Because of these properties, asbestos has been used in commercial products such as insulation and fireproofing materials, automotive brakes, and wallboard materials.
1. Boron is a naturally occurring element. In the environment, boron is combined with oxygen and other elements in compounds called borates. Borates are widely found in nature, and are present in oceans, sedimentary rocks, coal, shale and some soils.