Context: The terms asphalt and bitumen are often used interchangeably to mean both natural and manufactured forms of the substance. In American English, asphalt (or asphalt cement) is the carefully refined residue from the distillation process of selected crude oils. Outside the United States, the product is often called bitumen. Geologists often prefer the term bitumen. Common usage often refers to various forms of asphalt/bitumen as "tar", such as at the La Brea Tar Pits. Another archaic term for asphalt/bitumen is "pitch".

Question: How are the words bitumen and asphalt frequently used?
Answer: interchangeably

Question: Where is bitumen the usual term for refined residue from crude oils?
Answer: United States

Question: What is asphalt called outside of the US?
Answer: bitumen

Question: What group likes the term bitumen instead of asphalt?
Answer: Geologists

Question: What is a naming term for asphalt?
Answer: tar

Question: The term asphalt is often preferred by who?
Answer: Unanswerable

Question: Tar is an archaic term for what?
Answer: Unanswerable

Question: Pitch and what other term are often used interchangeably?
Answer: Unanswerable

Question: Another way to say asphalt tar is to simply say what ?
Answer: Unanswerable

Question: What is the substance usually called outside of the La Brea Tar Pits?
Answer: Unanswerable