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...Roads An an introduction to this album How a quarry works Quarry managers explain how rock is formed and how they extract different layers of stone. Once blasted and processed, it is used to build roads. Longterm sustainability of quarries A look at the road laying process. The need to supply locally, use natural road products and protect the environment around quarries....

...introduction to this album. Consumer product testing Representatives of Intertech, a product-testing company, discuss their methods of testing. Testing standards Emphasising the importance of standards in consumer testing. The five principles of sustainability The three layers of sustainability and the five principles to reduce the impact of products on the environment....

...project to the foundation of the internet. Linux runs on everything from your wireless router and Android Smartphone to CERN's most powerful computer. It has championed a whole new philosophy of collaboration and freedom in the software development community. We will hear from its users, its innovators and its originators. This is the story of Linux. For an entry level...

...Project, the cutting edge of 21st century science, involves a unique collaboration between biologists, geneticists and statisticians, using the latest information technology. Today we stand on the brink of a new era, and the work of one man prepared the way. But few people today know of the achievements of Ronald Aylmer Fisher. The four video tracks on this album...