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Tools [4]

As humans, we perform a lot of physical tasks day in and day out. However, we cannot always perform everything by ourselves, and at times, we need mechanical aids to help us in some of our physical work. This is where tools come in. These are pieces of equipment that help us perform tasks that we cannot usually do with our own bare hands.
The best examples of tools are simple machines, such as a lever, which is how a crowbar normally functions. Most of the tools that were used in early times served as weapons, too, aside from physical aids. Examples of the evolved versions of these tools are the hammer and knife.
It used to be that the thinkers of yesterday restricted the use of tools to humans alone. But upon further observation of some mammals—primates, to be precise, such as apes—they found out that we are not the only ones who have employed the use of physical tools. So the classification of humans as animals that employ the use of tools was quickly debunked.
Anthropologists attribute much of our evolution to the use of tools, as using them helped us develop an opposable thumb, which was useful to hold the tools. Using these tools also helped increase our intelligence, as we found more ways to use the tools and create more.
Today, though, the word tools can refer to more than just physical objects. Non-physical tools that are indispensable to us humans nowadays include creativity, education, information architecture, and even engineering. Though these are not the usual tools that we are accustomed to, they may also be counted as such.

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