We encounter PVC on a daily basis in products ranging from toys, packaging, and lawn furniture to water and sewer pipes, medical equipment, and building materials.
PVC在日常生活产品中无处不在，从玩具、包装袋、草地设施到水管和下水道、医疗设备和建筑材料。
2
Main Outcome Measures probing for contextual issues in an encounter, probing for medical issues in an encounter, and developing an appropriate treatment plan.
主要结果的评估：探讨在一次偶遇中的情景问题和医学问题，培养制定合适的治疗计划。
3
Most field medical situations you encounter are not immediately life threatening. The few that are can generally be AD - dressed by anyone with basic first aid skills and a rational approach.