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Cast |
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Credits |
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Directed by | John MacKENZIE | Production Company | Graphic Films | Sponsor | Central Office of Information | For | The Health and Safety Executive | Produced by | John ARNOLD | | Leon CLORE | Written by | Neville SMITH | Cameraman | Philip MÉHEUX | Editor | Barney GREENWOOD | Music | John CAVE | Sound | Ivan SHARROCK |
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