Information & Help DCOF AcuTestâ¢. At Daltile, weâve always championed the best solutions our industry has to offer. Thatâs why weâre among the first to join the Tile Council of North America in testing our products with DCOF AcuTest, a new industry standard for measuring the dynamic coefficient of friction (DCOF).
This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. A zarf (plural: zarfs, zuruuf, zarves) is a holder, usually of ornamental metal, for a coffee cup without a handle (demitasse or fincan).
Riff or Rif (rÄ­f) n. pl. Riff or Riffs or Rif or Rifs also RifÂ·fi (rÄ­fâ²Ä) 1. A member of any of several Berber peoples inhabiting Er Rif. 2. The Berber language of this people. Rifâ²fiÂ·an adj. & n. riff (rÄ­f) n. 1. Music A short rhythmic phrase, especially one that is repeated in improvisation. 2. A repeated or varied theme, idea, or phrase: gave us another of his riffs on the decline of civilization. intr.v. riffed, riffÂ·ing, riffs. To play or make riffs. Often used with on. [Origin unknown.] riff (rÉªf) music. n. 1.