Proceed with the consultation of experts, the people knowledgeable about the field of study to be able to grasp the situation, grasp the real situation, reviews, comments, conclusions of the experts to give the proper conclusions and science. To the subject are correct and in the right direction, I used this method to selectively collect the opinions of the person represented in the fields of material development, officials in charge of raw materials, officials in charge of the production line for processing, the experts of the company ...
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