Group 1 - The core idea of the news is to enhance public awareness and participation in metrology work, showcasing its foundational role in serving people's livelihoods and promoting high-quality economic development through innovative activities [2][3] - The "Mobile as a Weight" interactive experience was a highlight of the promotional activities, attracting significant public participation [2] - The market supervision bureau provided on-site inspection and calibration of electronic weighing scales for residents, addressing their inquiries about metrology and guiding them on the proper use and maintenance of household measuring instruments [2] Group 2 - The promotional activities on World Metrology Day reflect the market supervision bureau's commitment to serving the public and innovating metrology work during the "Year of Practical Action" [3] - The initiative effectively conveyed professional metrology knowledge in an accessible and engaging manner, enhancing public recognition and acceptance of metrology work [3] - The bureau plans to leverage this event to strengthen metrology regulation, innovate supervision methods, and advance metrology benefits for the public, contributing to social and economic development [3]

Core Viewpoint - The article highlights the efforts of the Yichun City Market Supervision Administration in Heilongjiang Province to ensure accurate measurement practices through free on-site testing of electronic scales, thereby enhancing consumer protection and promoting a fair market environment [1][5]. Group 1: Measurement Accuracy - The initiative involved comprehensive inspections of electronic scales used by merchants, including checks for physical integrity and modifications, as well as testing for precision and stability using standard weights [2]. - A total of over 80 electronic scales were tested, with more than 10 being adjusted to meet compliance standards, effectively reducing measurement error risks [2]. Group 2: Legal Awareness and Integrity - During the testing process, staff provided education on measurement laws and regulations, emphasizing the importance of using compliant measuring instruments and discouraging practices like underweight selling [4]. - Merchants responded positively to the combined "service + education" approach, which not only addressed practical issues but also enhanced their awareness of legal business practices [4]. Group 3: Long-term Regulatory Framework - The on-site testing initiative is described as a practical measure to benefit both consumers and businesses, while also serving as a key tool for regulatory responsibility [5]. - The Market Supervision Administration plans to establish a long-term regulatory mechanism for measuring instruments, with regular inspections in key areas such as farmers' markets and supermarkets to ensure ongoing compliance and market fairness [5]. Group 4: Community Feedback - The service received widespread praise from merchants and the public, as it not only standardized measurement practices but also improved regulatory effectiveness, laying a solid foundation for the healthy and orderly development of the local economy [7].