The aim of this research is to develop the public sector factories existing in Egypt, in respect of the types of machines ,their numbers, and order lines, so that the raw materials can be handled in the shortest possible time, that can be reflected in the production increasing to reach ten thousand pieces in eight working hours , at ready -made garments factories for knitted fabrics, which contain six production lines, underwear women's top, underwear men's short, half-sleeve men's t-shirt, long sleeves men's t-shirts, men's polo -shirt, and women's trousers.