The design of the venue, personal design ability, such as how to use some materials to make an arch for you, the necessary understanding of electricity, there will be a lot of equipment at the wedding, you should know their power and use effect, or you should be healthy, because this industry is not only tired but also takes a long time, and a game is not easy. You know, it's just a job for you, but it's the most important thing for newcomers in their lives. . . Therefore, we must consider many details very carefully.