Fix grammatical errors in this sentence: No matter what the designers are to work on, complex systems or everyday products, psychology is helpful to gain insights of problems that may be encountered or prevent undesirable accidents.
The problem is that the problem is not a problem that is not a problem.
Correct: The problem is that the problem is not a problem that is not a problem.
The problem is that the problem is not a problem that is not a problem.
The problem is not a problem that is not a problem.
The problem is not a problem that is not a problem.
The problem is not a problem that is not a problem.
The problem is not a problem that is
The problem is that the problem is not solved.
Correct: The problem is that the problem is not solved.
Correct: The problem is that the problem is not solved.
Correct: The problem is that the problem is not solved.
Correct: The problem is that the problem is not solved.
Correct: The problem is that the problem is not solved.
Correct: The problem is that the problem is not solved.
Correct: The problem is that the problem is not solved