(Worse) How to adjust multiple settings of the process parameters was outside of the knowledge of the engineers.

(Better) The engineers did not know how to adjust multiple settings of the process parameters.

(Worse) Standardization of the accreditation procedures was achieved by the committee.

(Better) The committee standardized the accreditation procedures.

(Worse) For optimization of the conditions for robust design problems, the applicability of a novel approach is performed in this study.

(Better) This study applies a novel approach to optimize the conditions for robust design problems.

(Worse) An experiment of the PCVD process in IC manufacturing is required of the engineer.

(Better) The engineer must experiment with the PCVD process in IC manufacturing.

(Worse) Significant contributions by the proposed procedure are made to the manufacturing sector.

(Better) The proposed procedure significantly contributes to the manufacturing sector.

(Worse) Transformation of the structure is achieved by strict control of the variables.

(Better) Strictly controlling the variables transforms the structure.

(Worse) A conclusion is made in this study that it is necessary for the parameters to be varied by engineers to ensure that operations are effectively controlled by the system.

(Better) We conclude that engineers must vary the parameters to ensure that the system effectively controls operations.

First Person is appropriate when the author wants to emphasize his or her opinion.

Other examples include We can infer, We postulate, We recommend, and We hypothesize.

(Worse) An assessment of the proposed method in this section is made so that accurate data can be ensured.

(Better) This section assesses the proposed method to ensure accurate data.

(Worse) Complexity of the computational process is increased by their approach.

(Better) Their approach further complicates the computational process.

(Worse) Described in the following section is how implementation of the control factor is achieved by the proposed scheme.

(Better) The following section describes how the proposed scheme implements the control factor.

(Worse) No significant effect on the mean response is made by the factor.

(Better) The factor does not significantly affect the mean response.

(Worse) Assessment of the product's reliability is made by the practitioner is achieved through means of compilation of statistics.

(Better) The practitioner assesses the product's reliability by compiling statistics.