Question of the Day #604

Eventually, they jury-rig the ventilation system to pull in fresh air instead of recirculating it and make the entire unit as “negative pressure” as possible to keep COVID-19 particles from aggregating dangerously. 

From the 6th paragraph of this article at Forward Kentucky.

上記の文で、jury-rigの意味は？
In the sentence above, what does "jury-rig" mean?

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Write your answer in the Comments.

明日、ここに答えを書きます。
I will add the answer and other remarks here tomorrow.

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解答

意味：
英辞郎によると、

〔有り合わせの物などで〕即席［応急・間に合わせ］の～を作る、～の代用とする

Answer

According to Merriam-Webster:

to erect, construct, or arrange in a makeshift fashion

Etymology/語源

Vocabulary.comによると、

Jury-riggedは、もともと長い航海の時に帆柱が損傷した時の「代替の帆柱」(jury-rig)の意味の航海用語です。
航海用語で

According to Vocabulary.com:

Jury-rigged　was originally a nautical term — a　jury-rig　was a backup mast that sailors would bring on long voyages in case the original mast was damaged.

Examples

• to jury-rig stage lights using automobile headlights
• In the shed they jury-rigged a cooking stove to get some heat.
• ‘jury-rigged classrooms in gymnasiums’
• The　survivors　of　the　wreck　jury-rigged　some　fishing　gear.
• Connors　jury-rigged　a　sail　and　headed　toward　land.

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