The BW-STM170 radioactive material simulator combination box is designed and developed to prevent potential harm to personnel caused by the use of real radioactive sources in daily teaching and drills. It consists of surface alpha simulators, beta simulators, simulator cleaning agents, and portable carrying boxes. The alpha and beta simulators come in three forms: powder, paste, and liquid, which can meet the needs of various occasions.Suitable for training and use by military, rescue teams, and related nuclear emergency drill teams....