2. The diversification of beverage and sales methods, spoilages and preventives from hot sales of beverage were introduced. 介绍了容器装饮料及销售渠道的多样化，由加热销售引起的变败及预防方法。
3. The paper analyzes some phenomena, mechanism and reasons of polyurethane coatings' foaming during the production and construction some preventives and solutions are put forward. 对聚氨酯涂料在生产和施工过程中起泡的形成、机理及原因进行了分析，并提出了预防与解决起泡的方法。
4. This paper is dealing with fundamental forms and causes of tooth breaking of a mining machine. Preventives for tooth breaking of gear are discussed as viewed from design and manufacture. 对采矿机械齿轮断齿的基本形式和断齿原因进行了分析，从设计制造角度提出了避免齿轮断齿的措施。
5. Based on the analysis of electrical oil-filled equipment's oil level anomalies, we find out the reason of oil level abnormal, and the corresponding preventives and proposal are put forward. 充油设备油位异常是变电站运行中常见问题，通过对电力充油设备油位异常进行分析，找出油位异常的根本原因，并提出相应的解决措施和建议。
