車やトラックをジャッキアップするには？

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Slowly open the jack's release valve, lowering the vehicle until it comes to rest on the jack stand.
Once the full weight of the vehicle is supported on the jack stand(s), you can either remove the jack, or leave it in position for later.
If you don't need to use the jack elsewhere, it's a good idea to leave it in place as added insurance.

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