Assertion: human's tool | /r/ObjectUse | used by homo erectus
Facets:
Source sentences:
text: The stone tools used by H. heidelbergensis were very similar to the Acheulean tools used by Homo erectus.
text: H. heidelbergensis stone tool technology was considerably close to that of the Acheulean tools used by Homo erectus.
text: H. heidelbergensis stone tool technology was very close to that of the Acheulean tools used by Homo erectus.