It also has a very low surface energy (which is what gives cookware coatings the nonstick feature), and possesses the quality of being inert to virtually all chemicals. Examples of fluoropolymers: PTFE (polytetrafluoroethylene) PFA (perfluoroalkoxy) FEP (fluorinated ethylene-propylene)
The Marshall Orr House was built in 1885 by Dr. Samuel Marshall Orr, as a smaller replica of the home of his father, Governor James L. Orr. Gov. Orr's home, known locally as Forest Home and Arlington was demolished in 1956. A physician in Anderson for 35 years, Dr. Orr owned a pharmacy, was involved with Anderson's first building and loan association and served as vice-president of the Farmers and Merchants Bank. In the community, he served as a trustee of Anderson schools and was a vestryman of Grace Episcopal Church for twenty years.
Orrum-area historical tornado activity is slightly above North Carolina state average. It is 7% greater than the overall U.S. average. On 4/8/1957, a category F4 (max. wind speeds 207-260 mph) tornado 18.4 miles away from the Orrum town center injured 21 people and caused between $50,000 and $500,000 in damages.