Assertion: human's tool | /r/HasProperty | flake
Facets:
value: from west turkana
type: LOCATION
value: more finely
type: DEGREE
Source sentences:
text: These tools were simple choppers and flakes (Mode 1 technology).
text: In general, the Acheulean is characterised by large bifaces like hand axes, picks and cleavers, whereas later Acheulean tools were thinner, more finely flaked, and more symmetrical.
text: The oldest known tools are flakes from West Turkana, Kenya, which date to 3.3 million years ago.