Assertion: inch | /r/HasProperty | 200 mm
Facets:
Source sentences:
text: The first commercial floppy disks, developed in the late 1960s, were 8 inches (200 mm) in diameter; they became commercially available in 1971 as a component of IBM products and then were sold separately beginning in 1972 by Memorex and others.
text: Pipelines had been in use in the industry since 1862, but by the 1930s they were usually only 8 inches (200 mm) wide, able to deliver 20,000 barrels of oil a day; larger pipes could be built, but due to structural weaknesses they could not operate at the regular pressures.