1.4 radiation protection practices and facilities in line with the exemption limits set out in Appendix C may be exempted from the formalities prescribed in 1.3. 1.5 before proceeding engage in the following practices must be approved in advance. A. administered to humans or to the human injection of radioactive material, as well as the implementation of human radiation exposure. B. toys containing radioactive substances. C. Adding radioactive substances in medical products, cosmetics and household goods (excluding listed in Appendix C3) processing production. D. Sales irradiated fresh or preserved foods. 1.8 Radiation work unit set up radiation protection and preservation of the environment protection quality radiation protection door personal responsibility, to establish worker safety education and training and examination system, earnestly implement and comply with the relevant receipt radiation protection and environmental protection provisions, prevent all types of radiation accidents occur. Personnel engaged in radiation work, radiation protection must have basic knowledge of x-ray radiation protection, radiation protection optimization to understand the basic principles of radiation protection and construction, are familiar with radiation protection regulations and trained before taking part in the assessment made after radiation worker certificates the work. 1.9 in the presence of radiation in space, as well as capable of emitting radiation in the article (except 1.4), there must be "ionizing radiation" sign (Appendix D). Radiation protection construction, radiation protection, provided by the Hebei Hebei Ericsson Ericsson Medical Engineering Co. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) strong, credible, Hengshui in Hebei medical device manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hebei Ericsson and you hand into the brilliant, for a better future!