"The Blombos evidence for pressure flaking is the oldest we know," says anthropologist and study coauthor Paola Villa of the University of Colorado Museum of Natural History in Boulder.
Pressure flaking consists of trimming the edges of a finished tool by pressing them with a bone point hard enough to remove thin slices of rock.
One reasonable explanation is that the regular flaking
and drying processes were effective at separating flakes from the bark and that the regular screen process was very successful at removing most of the bark.
In an environment in which workplace noise is rapidly growing as an issue, the new flaking
roll drive features acoustic covers over the roll drives as standard; there is also an option for hinged acoustic covers at each end of the unit.
Basically I notice that Eyre Basin pirris are manufactured by pressure flaking
removing one or two series of bending flakes.
Dr Alexander van der Klauw, Unimills general manager said: "The investment in the new flaking
line underlines Unimills, strong commitment to be the preferred supplier of healthy vegetable fats.
However, both cutting directions and flake dimensions can be very difficult to control in the actual flaking
process in OSB manufacture.
* Wanji bifaces, which were manufactured in west Arnhem Land by percussion flaking
stone materials with clearly defined cleavage planes, and in the recent past were made by percussively or pressure flaking
glass window panes.
The process may sound simple, but there are countless ways to get more out of a flaking
The third variant includes an edge-ground metabasalt axe reworked by bifacial flaking
. One flake from this process is present in the Camooweal assemblage (Figure 12).
, the laboratory flakes were dried to a target moisture content (MC) of 7 percent (ovendry weight) in a heated static oven with occasional hand mixing to improve MC consistency.
The new flaking
roller mill forms the pellets into homogeneous flakes.
Flakeboards were produced from recycled chromated copper arsenate (CCA) treated and untreated southern pine (Pinus spp.) using two adhesives and two common flaking