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A classic wooden single-mast sailboat leans sharply as it races across the choppy ocean waves. Its large triangular canvas sails are fully billowing in the strong sea breeze.
Meet Captain Blue and his trusty sailboat, the Swift Sea-Star! Today is the day of the Great Blue Ocean Race. The Swift Sea-Star is a classic wooden sailboat with a very tall mast and a small cabin on its deck. Look at how it leans over as it speeds through the water! When a sailboat tilts to one side like this, sailors call it "heeling." It happens because the wind is blowing very hard against the big sails.
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A modern fire truck sits parked on a street with its long ladder extended high upwards.

A sturdy pickup truck drives along a road carrying a load of wooden crates in the back.

A rugged off-road safari jeep sits parked on a savanna trail, fully equipped with a loaded roof rack and big tires.

A massive industrial cargo hovercraft glides swiftly over a frozen river carrying large shipping containers.

A rugged snowplow truck drives down a winter road, using its large front blade to push heavy snow out of the way.