Material and construction: Made of foodgrade PVC, environmentally friendly. quality prototype; handmade in a solid, durable form. Colormatched via computer processes to closely resemble human lung anatomy. Precision, texture, and labeling: The texture is clear and detailed; produced with an injectionmolding precision mold. Anatomical labeling is standard and easy to read. Visual design and teaching benefits: The surface is black to illustrate visible smoking effects, while the colors remain bright for clear demonstrations. Designed to attract attention and support effective teaching demonstrations, helping to increase classroom engagement and understanding. Disease coverage and educational value: Demonstrates selected lung system diseases caused by microbial infections, including lung abscess, pneumonia, and tuberculosis. Supports research and study of relevant knowledge and serves as a valuable practicaltraining tool. Physical specifications: Durability is ensured by solid, handmade construction; size is not specified in the description. Suitable for use in classroom, lab, and clinical training environments. Intended uses and scenarios: Classroom teaching in medical and nursing programs for anatomy and pathology demonstrations. Laboratory study and practical training on respiratory infections and disease progression. Patient education demonstrations to explain the impact of smoking on lung health and related diseases.