1. Glass (Vidrio) The glass is an inorganic material hard, fragile, transparent and amorphous. The glass is a type of ceramic material. The glass is obtained by fusion at 1.500 degrees of silica sand, sodium carbonate and limestone.

2. Glass applications The glass is used in construction. Each one is designed to obtain certain properties: high security, anti-theft device, bulletproof, fire-resistant, against solar radiation, thermal and acoustic insulation, decorative effects, etc. The glass is used to make windows, lens, and a big variety of products.Burj Al Arab is a five-stars hotel in Dubai and it is the fourth tallest hotel in the world. 3. Ceramics, pottery (Cermica) Ceramics is a type of material principally made with clay and boiling water, although its mineral compose can change when you add other additives. It's widely used since the antiquity. There are some types of clay like earthenware, terracotta, china, etc. 4. Ceramic applications It first was used like a container for foods; then it was used to make figures of magic, religious or funerary character. Also it's used in construction to make bricks (ladrillos), tiles (tejas), floor tiles (baldosas), glazed tiles (azulejos) and ceramic filler blocks. The glazed technique is used also for the sculpture. Actually is used like thermal and electrical insulator. Casa Batllo is a building restored by Anonio Gaud and Josep Maria Jujol in the year 1877. 5. CREDITS lvaro Flrez lvarez Alba Bayn Vzquez Daniel Blanco Fernndez Google images and www.wikipedia.com 6. CREDITS lvaro Flrez lvarez Alba Bayn Vzquez Daniel Blanco Fernndez Google images and www.wikipedia.com