Improve the grammaticality of this sentence: Functional analysis, ergonomics and product safety and liability are all important elements to evaluate those solutions.
The first part of the sentence is a question. The second part is a question. The third part is a question.
The first part is a question, the second part is a question.
The third part is a question, the second part is a question.
The third part is a question, the second part is a question.
The third part is a question, the second part is a question.
The third part is a question, the second part is a question.
The first part of the sentence is a question, the second part is a question, and the third part is a question.
The question mark is used to mark the end of the sentence.
The question mark is used to mark the end of the sentence.
The question mark is used to mark the end of the sentence.
The question mark is used to mark the question mark.
The question mark is used to mark the question mark.
The question mark is used to mark the