Glass

=== It´s a solid and hard material, inert and biologically inactive.Glass it's a beautiful material but dangerous because of their fragility. It's a great element to decoration, the glass is used in windows, doors, division between areas and decoration. This use give an aspect of elegance and modernism. Nowadays, this material has been used in construction for different functions. This material is fragile, transparent and tough. Glass is considered one of the best materials as we are used to construct! Nowadays we can see thousands of buildings entirely build with glass, transparent, with colour, like mirrors, etc. === ===media type="file" key="glass.mp3" align="center" ===