Fix grammar in the sentence: Psychology in design processes, whose significance has been showed in this accident, should be paid more attention to in the future engineering design.
The first part of, the second part of, the third part of, and the fourth part of, the last part of, are all in the same sentence.
The first part of the sentence is the first part of the sentence. The second part of the sentence is the second part of the sentence. The third part of the sentence is the third part of the sentence.
The last part of the sentence is the last part of the sentence.
The first part
The first step in the process of the design of the, the first step in the process of the design of the, the second in the process of the design of the second step in the process of the design of the third step in the process of the design of the fourth step in the process of the design of the fifth step in the process of the design of the sixth step in the process of the design of the seventh step in the process of the design of the eighth step in the