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BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.

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How to Build...

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Britain's engineering companies reveal how they build the world's most amazing machines

Britain's iconic and secretive engineering companies reveal how they build the world's most amazing machines

How to Build...Britain's Secret Engineers

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BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.

The BBC West region started on 1st September 1957 as part of the BBC Television Service, before becoming BBC One West.

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The BBC South West region started on 20th April 1961 as part of the BBC Television Service, before becoming BBC One South West.

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The BBC South region started on 5th January 1961 as part of the BBC Television Service, before becoming BBC One South.

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BBC One region covering Derbyshire, Leicestershire and Nottinghamshire.

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The BBC North East & Cumbria region started in 1959 (tbc) as part of the BBC Television Service, before becoming BBC One North East & Cumbria.

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Formerly part of a wider BBC One South East region that included London and part of the South region. Separated from BBC One London 2001-09-03 following reorganisation of the South East region.

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Gerard Fletcher

Jon Eastman

Tina Fletcher

Steve Crabtree

How to Build...: Series 1: Episode 3: Britain's Secret Engineers

Britain's Secret Engineers

Episode 3

Episode 3: Britain's Secret Engineers

Series 1

BBC Two - How to Build..., Series 1, Britain's Secret Engineers

Workers at British defence contractor QinetiQ reveal some of their secretive projects.

Documentary series. Workers at British defence contractor QinetiQ reveal a handful of their secretive projects, including robots to defuse roadside bombs.

If you need to build a top-secret piece of equipment in the UK, there's one place many people choose to go: defence contractor QinetiQ.

We follow workers at this leading British company on a global journey, as they reveal a handful of their secretive projects. We meet the scientists and engineers building robots to defuse Afghanistan's deadly roadside bombs and learn how they're adapting them to help in dangerous civilian situations in the UK. We find out how British experts are using stealth technology to make wind turbines less visible to radar and, with unprecedented access, we follow the engineers racing to get Chinook helicopters ready for frontline service, including Afghanistan.

How to Build...: Series 1

BBC Two

BBC Two is a TV channel that started broadcasting on the 20th April 1964.

BBC 2

BBC2

BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.

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Until 03/01/2009 BBC Two Wales (analogue) was known simply as BBC Two Wales. BBC Two Wales (digital) was BBC 2W. From 03/01/2009 BBC Two Wales schedules on both analogue and digital became identical

BBC Two Wales

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Simulcast of network BBC Two in high definition.

BBC Two HD

Simulcast of BBC Two Wales in high definition

BBC Two Wales HD

A BBC TV channel for Scotland which will broadcast every evening and will show drama, factual, comedy and news programmes made in Scotland

BBC Scotland HD

Simulcast of BBC Two Northern Ireland in high definition

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How to Build...

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Episode 3: Britain's Secret Engineers

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