水の三重点
水の三重点と、この点をどのように回避するかは、工学において必須の知識です（私は……
結晶構造
Crystal structure refers to the orderly and repeating arrangement of atoms or molecules within a crystalline material, which significantly influences its physical properties and behavior. In product design and innovation, understanding crystal structure is crucial for optimizing materials for strength, durability, and functionality. Researchers and manufacturers leverage insights into crystal structures to enhance product performance and develop novel materials tailored to specific applications.