documentary

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{Fire|Hearth|Fireplace} {in the|within the} tunnel: {technology|know-how|expertise} and {training|coaching} for emergencies | Documentary | Good to know | BR

How To: Fireplace within the tunnel: know-how and training for emergencies | Documentary | Good to know | BR

Cult {technology|know-how|expertise} from the {past|previous}: The cassette and the Polaroid {camera|digital camera|digicam} – icons of {technology|know-how|expertise} | ZDFinfo documentary

Cult technology from the past: The cassette and the Polaroid digital camera – icons of know-how | ZDFinfo documentary

{Security|Safety} with Algorithms and {Modern|Trendy|Fashionable} {Technology|Know-how|Expertise}: The World of Crime | Campus Documentary | BR

How To: Security with Algorithms and Fashionable Know-how: The World of Crime | Campus Documentary | BR

GERMAN NAVY – {Technology|Know-how|Expertise}, Use & {History|Historical past} | HD documentary

Meldung: GERMAN NAVY – Know-how, Use & History | HD documentary

AIRCRAFT – {at the|on the} forefront of {technology|know-how|expertise} | HD documentary

AIRCRAFT – at the forefront of expertise | HD documentary

Armisch: A life {without|with out} {modern|trendy|fashionable} {technology|know-how|expertise} {Discovered|Found}! Mysterious {Places|Locations} | cable one documentary

Mitteilung: Armisch: A life with out trendy know-how Found! Mysterious Places | cable one documentary