For people who have a high level of artistic accomplishment and like to use fire and spirit, these industries are their own industries. All energy, fire and electricity belong to fire.
Motor power supply battery, electrical engineering, wire and optical cable, photoelectric products, glass optics, lighting, electrical appliances, electric welding, electronics, etc. Optoelectronic specialty basically belongs to fire in the five elements, because fire in the five elements also includes light and electricity. Such a career is either an R&D talent or a skilled talent.
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In traditional culture, it is believed that the five elements maintain a dynamic balance in the relationship between life and life. This relationship between the five elements is also called "life restraint" relationship. For example, if water is restricted only by mutual restraint, it will become weaker and weaker. However, aquatic wood and wood can restrain it, so water indirectly restricts soil, soil produces gold and gold produces water, so soil indirectly promotes water, thus maintaining the dynamic balance between the five elements.
Zhang Jingyue made a good explanation in The Analects of Confucius. If there is abnormal restraint between the five elements and the balance of the five elements is destroyed, it is called "multiplication" and "mutual insult".