# data[].attributes.body
a tool is an instrument that allows certain jobs to be carried out. These objects were designed to facilitate the performance of a mechanical task that requires the use of a certain force. The screwdriver, the clamp and the hammer are tools.

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Evolution of hammers. hammers later, in the year 3500 a. C., during the bronze era the head began to be manufactured with this material. In addition, its handle was a piece of thin wood.Age of stoneThe first hammers date from the stone (Year 8000 a.C), these hammers had a stone attached to a stick.In the year 4000 a. C., with the discovery of copper the Egyptians began to manufacture the head of the hammer. These were already heavier than those used in the Stone Age, since they were made of copper.Hammers with holesIn the year 3000 BC, the first hammers with holes in the handle begin to be used. These were made of heavy metal, and a hole was made in the handle to make it more resistant.Roman ageThe current hammer began to be used at the time of the Romans. It consisted of a hammer with a wooden handle and a hole in the metalSteam hammerCreated approximately in the year 1840, the steam hammers are constituted by a hammer or hammer that makes the impact when falling from a certain height either by gravity or by acceleration in its fall.Nail hammerCreated between 1880 and 1890, it is a tool used mainly to hit, nail or extract nails or some other object. Generally, this hammer is associated with the work of wood, but is not limited to this, it also helps with iron, aluminum and various materials

# data[].attributes.subject
Evolution of hammers. hammers later, in the year 3500 a. C., during the bronze era the head began to be manufactured with this material. In addition, its handle was a piece of thin wood.Age of stoneThe first hammers date from the stone (Year 8000 a.C), these hammers had a stone attached to a stick.In the year 4000 a. C., with the discovery of copper the Egyptians began to manufacture the head of the hammer. These were already heavier than those used in the Stone Age, since they were made of copper.Hammers with holesIn the year 3000 BC, the first hammers with holes in the handle begin to be used. These were made of heavy metal, and a hole was made in the handle to make it more resistant.Roman ageThe current hammer began to be used at the time of the Romans. It consisted of a hammer with a wooden handle and a hole in the metalSteam hammerCreated approximately in the year 1840, the steam hammers are constituted by a hammer or hammer that makes the impact when falling from a certain height either by gravity or by acceleration in its fall.Nail hammerCreated between 1880 and 1890, it is a tool used mainly to hit, nail or extract nails or some other object. Generally, this hammer is associated with the work of wood, but is not limited to this, it also helps with iron, aluminum and various materials

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age of stone

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Hammers with holes

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roman age

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Steam hammer

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Nail hammer