Let's take a tour of your teeth. Look in the mirror at your own teeth or check out a friend's smile. The part of the tooth you can see, which is not covered by the gum (your gums are the pink, fleshy part), is called the crown.
Factory Acceptance Testing. Testing by a manufacturer of a particular product to validate its conformance to performance specifications and ratings. Source: API RP 16Q, Recommended Practice for Design, Selection, Operation and Maintenance of Marine Drilling Riser Systems, First Edition, November 1993 (Reaffirmed August 2001).
There are a dozen different test methods for freshly mixed concrete and at least another dozen tests for hardened concrete, not including test methods unique to organisations like the Army Corps of Engineers, the Federal Highway Administration and state departments of transportation.. The most common test is âSlump contestâ meant for workability of concrete. There are several other tests that include â test for cement content, w/c ratio, temperature of concrete, density, yield, air content, setting time, compatibility test etc. All tests need not be carried out for every batch of lament.