| Rights Statement: | |
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| Restrictions on use: | |
| Duration: | 00:25:00 |
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| Contributors: | Alan Cooper; Pamela Enos; Cheryl Newport; Steve Swithenby |
| Publisher: | BBC Open University |
| Keyword(s): | Circus; Mechanics; Science |
| Production number: | FOUS328P |
| Available to public: | no |
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