Which of the following thermometers is a powerful inspection instrument?

In the detailed project of Catalogue of Measuring Instruments for Compulsory Verification in People's Republic of China (PRC), the selection of thermometers is as follows: 3. Glass liquid thermometer: glass liquid thermometer; 4, thermometer: thermometer; 5. Petroleum flash point thermometer: petroleum flash point thermometer; There are only four kinds of glass liquid thermometers for work, glass mercury thermometers for electrical contacts, glass liquid thermometers for meteorology and glass liquid thermometers for petroleum products in the compulsory inspection catalogue, right?