Conhecimento sobre pedra
Conhecimento sobre pedra A pedra é um importante material de construção que tem sido usado desde os tempos antigos. É atraente, durable and relatively easy to work with. It is also one of the most versatile construction materials, as it can be used in many different ways. Stone is a natural material, formed over millions of years from the remains of plants and animals. It is composed of minerals such as quartz, feldspar and mica, which are held together by a matrix of...
