STONES

What are stones? Stones are materials found in the nature (mines), with certain properties useful for construction, sculture, garment, etc. How many kinds of sotne do you know? According to the clasification of stones, in nature exists three basic tipes of stone: -Ignea -metamorphic -sedimentar What characteristics do stone have? -Hard -Heavy -Depending on the stone it could be permeable or not. Why are stones used in construction? -Stones are used in construction normally because they can support a very are strong and durable, useful for walls, archs, streets, etc.

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As we defined previously, stone is a material found in nature, that has some properties that can be useful for different activities such as construction. If we analize the mental map posted on our wiki-class-space, we see that it suggests that sotnes as a material have advantages and disadvantages. Durability, adaptability and natural use are few of the advantages that stones have. Nevertheless, it is not easy to transport or cut in an specific way and perhaps not so stable when speaking of critical angles.