petroleum refining is petroleum refining
"Infringe" is an anagram for refining.
A Precious Metal Refining Company.
North Atlantic Refining was created in 1994.
United Refining Company was created in 1902.
The population of United Refining Company is 4,387.
Refining Fires was created on 1915-01-18.
This is a chemical engineering process - the refining of petroleum.
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One highly recommended book on refining precious metals is "Refining Precious Metal Wastes" by C.M. Hoke. It provides detailed information on various refining techniques, processes, and equipment needed for refining gold, silver, platinum, and other precious metals. It is often considered a comprehensive guide for individuals and businesses involved in precious metal refining.
Cane sugar refining is covered in SIC 2062
Refining