They introduce the update coalescing method which coalesces many of the redundant reference count updates. A group coalesces around a single goal or issue and agitates for change. These are stoved and the mix coalesces. Sumerian civilization coalesces in the subsequent Uruk period (4000 to 3100 BC). Deep in the pelvis, this fascia coalesces to give rise to presacral fascia. The local pride coalesces around the Rayo Vallecano football team. The spiritual force in the house coalesces into the form of a demonic head. At times, this blend coalesces beautifully, but often it proves a bit clunky.