| http://www.w3.org/ns/prov#value | - They could attach these sharp edges ??? often sharpened using stone, a sharpening tool we still use today ??? to wooden handles and other materials, and use the tool for hunting itself or for cutting up meat and skins after successful hunts.No doubt, this innovation was an important tool for the human race, and knives continue their evolution today.The four types of knives you???ll typically encou
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