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).
It was served in small cups without handles (known as fincan), which were placed in holders known as zarf (from the Arabic word, meaning container, envelope) to protect the cup and also the fingers of the drinker from the hot fluid. Rex Parker Does the NYT Crossword Puzzle.