Jewelry processing and maintenance can be counted as one of the special jobs, because this job requires special skills and professional knowledge. Jewelry processing and maintenance involves the processing and repair of jewelry, jewelry and other valuables, which requires in-depth understanding and mastery of various jewelry materials and technologies. When processing and maintaining jewelry, it is necessary to use special tools and equipment for fine operation and maintenance, and the technical requirements for workers are relatively high. At the same time, due to the high value of jewelry itself, it is necessary to ensure the quality and accuracy of processing and maintenance, so this type of work also needs to have a certain understanding of quality inspection and quality control. To sum up, jewelry processing and maintenance can be regarded as a special type of work.