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[Music]

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when ground controllers ask American

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astronauts and Soviet cosmonauts in the

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earth orbiting apollo-soyuz test project

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mission in July what's cooking they will

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not necessarily be inquiring about an

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evening meal of hotdogs of borscht they

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will probably be referring to the seven

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scientific experiments which will be

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conducted in a multi-purpose electric

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furnace to demonstrate the effects of

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weightlessness on crystallization

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convection and other materials

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processing techniques

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mr. art boys Marshall Center principal

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investigator for the furnace explains

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its operation the furnace and his

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control package are mounted in the

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docking module and receive electrical

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power from the command module the

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furnace as a resistance heater that

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melts materials up to eleven hundred and

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fifty degrees centigrade the control

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package automatically programs each

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experiments through its thermal cycles

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of heat up stroke and cool-down each

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experiment consists of three cartridges

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each cartridge has from one to three

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different sample materials inside the

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cartridges are inserted into the street

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furnace cavities and locked into place

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with these access ports gas hardware

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design and sustaining engineering for

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the furnace are performed by the

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Marshall Space Flight Center including

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the furnace ten of the 27 experiments to

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be conducted on the mission are to