<P> A tool is any physical item that can be used to achieve a goal, especially if the item is not consumed in the process . Tools that are used in particular fields or activities may have different designations such as "instrument", "utensil", "implement", "machine", "device," or "apparatus". The set of tools needed to achieve a goal is "equipment". The knowledge of constructing, obtaining and using tools is technology . </P> <P> Some animals are known to employ simple tools . The use of stone tools by humans dates back millions of years . More advanced tools, such as the bow and arrow began to be developed approximately 10000 years ago . </P>

What is the difference between tool and equipment
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