Which word completes the passage provided most logically and precisely?
Archaeologists excavate and examine artifacts from humanity’s past. The oldest man-made artifacts date back 3.3 million years and were found at an archaeological site in Kenya called Lomekwi 3. Here, archaeologists found evidence of early ____ including anvils, cores, and flakes. These stone implements were determined to have been intentionally created and not the result of natural stone fractures.
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