设计性实验是理解多个因素对过程及其输出、结果或结果的影响的最佳方法。本文通过让读者一步一步地通过一个实验来改进金属壳拉伸工艺，探索了设计实验的许多基本概念。

DESIGNED EXPERIMENTATION IS THE BEST APPROACH FOR UNDERSTANDING THE EFFECTS OF MULTIPLE FACTORS ON A PROCESS AND ITS OUTPUT, OUTCOME, OR RESULTS. THIS PAPER EXPLORES MANY OF THE BASIC CONCEPTS OF DESIGNED EXPERIMENTATION BY TAKING THE READER STEP-BY-STEP THROUGH AN EXPERIMENT TO IMPROVE A METAL-SHELL DRAWING PROCESS.