Jewelry tools（2）Files of different shapes have different functions. The function of flat file is suitable for flat surface trimming, edge chamfering and external arc grinding and filing; round file is suitable for small arc surface trimming, reaming, and internal arc grinding;Semicircular file is su Read More

Jewelry tools（1）Among our commonly used metalworking tools, an electric grinder is a very necessary equipment, and it is needed in the process of drilling, grinding, engraving, and polishing. If it is to build a personal studio, the use efficiency of the electric grinder is extremely high, basically Read More

Nails（5）Horizontal lines: The horizontal lines on the nail are a record of the disease that has occurred. In other words, when there are stripes on the nails, some lesions must have appeared in the body. Generally speaking, the horizontal stripes are only at the bottom of the nail at the beginning, Read More

Nails（4）Studies have found that changes in nail growth rate are closely related to certain pathological changes in the human body. For example, when suffering from hyperthyroidism, congenital heart disease, Parkinson’s syndrome, pregnancy disease, nail growth will generally accelerate, and when suff Read More

Nails（3）Jiaze brightens: There are two types of Jiaze brighten. One is that there are lumps or strips on the nail that become brighter, rather than the entire nail. This situation is mostly related to pleurisy and effusion in the abdominal cavity; the other is that the entire nail becomes very shiny Read More

Nails（2）The half-moon scar is actually the part of the nail bed that grows to the bottom of the finger methyl group. It is the "bed" where nails grow continuously, and supplies nutrients needed for nail growth. It is a connective tissue. The nail bed is rich in blood vessels and nerve endings. When Read More