What scientific and technological means do old museums usually use to protect cultural relics?

Generally speaking, after collecting cultural relics, museums divide them into twenty-four kinds of conventional cultural relics, such as porcelain, pottery, purple sand, stone tools, woodwork, lacquerware, enamel, Four Treasures of the Study, rare books of ancient books, calligraphy and painting, textiles, jade articles, seals, tooth carvings, amber, corals, jade articles, pearls, gold and silver, bronzes and ironware, which are protected in different categories. China has been a big cultural country since ancient times, so the museums in China are basically domestic cultural relics, so many of them are traditional restoration. Today, with the rapid development of science and technology, many large museums conform to the trend of the times and adopt a lot of scientific and technological means to protect them on the basis of traditional restoration. Take the earthquake-resistant facilities of the most popular museum at present. Some museums in Japan use a kind of polyurethane gel sheet (rubber), which has the adhesion to resist the earthquake of magnitude 7, and can be freely taken down for reuse, and is often used to stick and fix porcelain and bases. Fixation with nylon wire or steel wire is also a common method. Seismic isolation is a "soft project", which uses damping materials or structures to separate cultural relics from the foundation to achieve the purpose of protecting cultural relics. Since 1980s, great progress has been made in the study of segregation in China. The new building of Shantou Museum takes the lead in adopting rubber isolation bearings for structural isolation treatment. Isolation platforms for displaying cultural relics in museums have been developed and applied in Japan and the United States. An air buffer and a spring isolation platform have been installed under the half-image of Maitreya Bodhisattva in Guanglong Temple, Kyoto. Tokyo Museum, Osaka Oriental Ceramic Art Museum, Nara Museum, MOA Museum, etc. Roller-type, spring-type or rail-type isolation platform devices have been equipped on a large scale. Not long ago, the Shanghai Museum took isolation measures in the renovation of the Jade Museum.