Laurence Jankowski

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1) Cable television: how it works

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The film gives a short introduction to the cable industry in America. It explains how and why cable television began. It also looks at the head end, distribution and house drop and discusses some of the major cable operations.

2) Waves, coastlines & beaches

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Discover the geological processes that take place where ocean meets land. Learn how erosional and depositional processes form features such as rugged coastlines, barrier islands, spits, tombolos, wave cut terraces, sea stacks and beaches.

San Antonio College Library

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Laurence Jankowski

1) Cable television: how it works

2) Waves, coastlines & beaches