From one of the uses people have made of rocks for thousands of years:

Of one of the uses people have had for rocks for thousands of years, one of the most common and important uses has been making tools.
People have been using rocks to make tools for thousands of years, from early stone tools to more advanced tools made of metal.
The rocks were also used for fuel, clothing, and food.
Rocks provide a great source of fuel, as they can be burned to produce heat and power.
In addition, some rocks can be used as materials for clothing, such as flint and rugs, which were used by early humans to make clothing and jewelry.
Finally, certain types of rock are used as a food source, such as being ground into flour for bread or other dishes.

One of the uses people have made of rocks for thousands of years is food, tools, fuel, and clothing.
People have been using rocks for these purposes for thousands of years, as evidenced by archaeological evidence.
They have been used to grind grain, craft tools, make fires, and make clothes.
The rocks have also been used in the construction of buildings, monuments, and even works of art.
Rocks are an important part of human history and are still used for various purposes today.

One of the uses people have made of rock for thousands of years, the answer is to make tools.
For thousands of years, people have been using rocks to make tools for a variety of purposes, such as hunting, farming, and construction.
The rocks were also used as fuel and in clothing, such as beads and jewelry.
In addition, people used rocks to grind food and make tools and weapons.
Rocks are a versatile and essential resource that has helped people survive and thrive for centuries.