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In manufacturing industry, engineering drawing is used to facilitate the process of designing a product. In real situation, the engineering drawing is usually available in a large quantity and not in order. This is due to many drawings are produced in the process of designing a product. Effective access of engineering drawings from various numbers of engineering drawings is very challenging. Engineer can reduce the cost of designing a new product by retrieving the original drawings of components from the database in the CAD software. This paper presents a review on extraction of non-geometry information in engineering drawing. It explores the past studies on the existing extraction methods discovered by numerous researchers in the field of engineering drawing. In this research, the information that will be extracted is non-geometry information such as length, thickness, radius, diameter and labels. The comparative example of extraction in engineering drawing of previous research has been carried out.