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  1. Extreme Weather: The Somerset Levels (2016)

    aka: The Somerset Floods

    Subject
    Environmental science; Geography
    Distribution
    Sale, DVD (Region 2 PAL, 30 minutes), £49.00

    In the winter of 2013/2014 the UK was hit by a succession of 13 low pressure systems causing extreme flooding on the Somerset Levels. This DVD looks at the human and physical causes of the floods and...

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  2. Massive Dipper Dredgers (2010)

    Subject
    Engineering
    Distribution
    Sale, DVD (Region 2 PAL, 70 minutes), £15.95

    Hydraulic excavators play a crucial role in many port expansion and deepening projects. Bolted to huge floating pontoons, the excavator arm digs up even the toughest rock and clay from the murky depths. It...

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  3. Dredgers (2 Parts) (1981 Video)

    Subject
    Engineering
    Distribution
    Out of Distribution, Videocassette. Standard formats. col. 9, 31 min., 1996 sale: £30.00 (+VAT +p&p)

    An appreciation of the problems of dredging as they affect dredging costs and influence the choice of dredger.

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