Before a new type of airplane goes into service, every part of it is tested again and again. But the...

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the amount of air in the plane the strength of the plane structure the pressure inside and outside the plane the power of the airplane engines

the amount of air in the plane the strength of the plane structure the pressure inside and outside the plane the power of the airplane engines

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Two Important Tests on Airplanes The Importance of Flying Safely The Danger of Testing Airplanes How Airplanes Are Made and Tested

The plane may explode in the air. The pilot may lose control of the plane. The engines may be damaged. Too much air may get into the plane.

IOPP type approval certificate cargo ship safety equipment certificate cargo ship safety certificate

It will be broken. It will be made stronger. It will be filled with water. It wilt be tested by pilots.

It will be broken. It will be made stronger. It will be filled with water. It wilt be tested by pilots.

After before inside outside

Two Important Tests on Airplanes The Importance of Flying Safely The Danger of Testing Airplanes How Airplanes Are Made and Tested

before since when as

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The plane may explode in the air. The pilot may lose control of the plane. The engines may be damaged. Too much air may get into the plane.

Two Important Tests on Airplanes The Importance of Flying Safely The Danger of Testing Airplanes How Airplanes Are Made and Tested

It will be broken. It will be made stronger. It will be filled with water. It wilt be tested by pilots.

The plane may explode in the air. The pilot may lose control of the plane. The engines may be damaged. Too much air may get into the plan

the type and size of the engine the condition of the engine ambient temperature all of the above