I would like to ask: What are the five members proposed by the main leaders at the county safety inspection and rectification promotion meeting on April 30, 2022? According to relevant information, the five members proposed by the main leaders at the county-wide safety production inspection and rectification promotion meeting on April 30, 2022 refer to: builder, quality engineer, safety officer, material engineer and information engineer. The builder refers to working under the direct leadership of the project manager, implementing the policy of safety first and prevention first, taking safety precautions and implementing safety work according to regulations. Under the leadership of the project leader, the quality controller is responsible for inspecting and supervising the quality assurance measures in the construction organization design, and organizing the establishment of quality supervision systems at all levels. Safety officers are safety management personnel who have obtained post qualifications after training and examination. According to the provisions of the Safety Law, enterprises with a certain scale must be equipped with full-time safety officers, and key processes must be inspected and supervised by safety officers. Material engineers are familiar with the construction technology, prepare the material plan, and organize the materials to enter the site as planned. Documentary is the basic knowledge to understand the contracting mode, contract signing, construction budget and on-site economic activity analysis and management of construction enterprises; For specific information, please pay attention to official website for first-hand authoritative information.