Engineering titles include architecture, machinery, chemical engineering, electricity, mining, geology, surveying and so on.
Non-engineering titles include taxation, accounting, political work and statistics.
Title (major? Title) comes from the position name. Theoretically speaking, professional title refers to the professional technical level, ability and achievement of professional and technical personnel, which reflects the technical level and working ability of professional and technical personnel. Academically, it has the nature of academic title; On the professional and technical level, it has the nature of a post. What kind of professional title a professional technician has indicates what kind of academic level he has or what kind of work he is engaged in, which symbolizes a certain identity.