1) The aerodynamic design of the car helped it achieve impressive speeds.

2) The company invested in research to improve the aer efficiency of their airplanes.

3) The aer of the aircraft created turbulence in the air.

4) Proper maintenance is essential to ensure the aer performance of the engine.

5) The new sailboat had a sleek aer profile for faster sailing.

6) The aer of the bird's wings allowed it to soar effortlessly through the sky.

7) The aer quality in the city deteriorated due to pollution.

8) The engineers studied the aer flow around the building to optimize ventilation.

9) The cyclist adjusted their position to reduce aer drag.

10) The company developed a new technology to enhance the aer stability of the drone.