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1. The passengers on board this train are heading towards Chicago.
Note: There’s very little difference between "on board" and "aboard."
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2. The control panel on board the fire engine has a lot of gauges and switches.
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3. Pets are allowed on board the flight, but they must stay inside a pet carrier.
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4. Get on board the plane before it leaves.
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| 5. There isn’t anyone on board. |
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6. Everyone on board the plane died when it went into the ocean.
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7. The people on board this boat are sleeping.
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8. They keep life vests on board for every passenger in case of an emergency.
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9. They need to bring another employee on board because the company is very busy right now.
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