To complete the steps in the ongoing processes, and because the raw materials must be imported, produced all the time.There are steps and procedures more difficult material and must be continuous.
To do the procedure and the process continues. The material must be brought into production during the process and the process is more complicated and have to do the Auspicious Occasion of material.
To do step and continuous process. Due to import raw materials to produce all the time a steps and process more complicated raw materials and to do it since.