Part of a series looking at the technology we see around us and suggesting various activities, this book looks at how a lock works and explains why the industrial use of canals has declined. The authors describe the ways canals are used today.
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Part of a series looking at the technology we see around us and suggesting various activities, this book looks at how a lock works and explains why the industrial use of canals has declined. The authors describe the ways canals are used today.
Read Less
