Extremely complex schedules are drawn up by metallurgists to achieve exactly the properties they want; for the blades of fine Japanese swords to chunky wheel hubs or critical aircraft components.

• 特别复杂的工艺流程是由金相学家设计，以准确达到他们的需要；例如日本武士刀，粗壮的轮毂，或飞机关键部件。