Improve the grammaticality of this sentence: In order for a car to be powered using CNG, there are certain modifications that needs to be done.
The first thing that needs to be done is to make sure that the car is not too big.
The second thing is to make sure that the car is not too big.
The third thing is to make sure that the car is not too small.
The fourth thing is to make sure that the car is not too small.
The fifth thing is to make sure that the car is not too big.
The sixth thing is to make sure that the car is not too small.
The first part of the sentence is the same as the second part.
- The first part of the sentence is the same as the second part.
- The second part of the sentence is the same as the first part.
- The third part of the sentence is the same as the second part.
- The third part of the sentence is the same as the second part.
- The fourth part of the sentence is the same as the second part.
- The fifth part of