Over the years, the motion study method has been proved to be a powerful tool for process standardization in the textile industry, which enables determining the standard time for the performance of a specific task. Moreover, the processing time plays a pivotal role in the management of the production processes when applying the time study technique. Besides, the application of the assembly line balance constitutes a primary goal of manufacturing companies for producing vast quantities in the shortest possible time with satisfactory and efficient results. This research was conducted in a textile company that manufactures denim clothing for women, located in San Juan de Lurigancho District in Lima, Peru. It aims to reduce unproductive time in the production line caused by a poor productive process, excessive movements and long waiting times, by means of applying the method engineering and ...