12.00 Engineering Materials: Hidden Power
When electricity supply cables are laid underground, how do the materials differ from those used in pylons? (Subtitled)
12.25am Design Principles: Symmetry
OU downloaded video. (Subtitled)
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12.00 Engineering Materials: Hidden Power
When electricity supply cables are laid underground, how do the materials differ from those used in pylons? (Subtitled)
12.25am Design Principles: Symmetry
OU downloaded video. (Subtitled)
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