| 4599 | γ철(-鐵)/Gamma iron | | | 19,686 |
| 4598 | β황동(-黃銅)/Beta brass | | | 20,127 |
| 4597 | α황동(-黃銅)/Alpha brass | | | 17,792 |
| 4596 | α철(-鐵)/Alpha iron | | | 16,658 |
| 4595 | X선회절분석(-線回折分析)/X-ray diffractometry | | | 17,032 |
| 4594 | X선미량분석계(-線微量分析計)/X-ray microanalyzer | | | 16,015 |
| 4593 | van der Waals방정식(-方程式)/van der Waals equation | | | 17,028 |
| 4592 | U자관형 열교환기(-字形熱交換器)/U-tube type heat exchange.. | | | 17,404 |
| 4591 | U덕트/U duct | | | 18,104 |
| 4590 | UV센서/Ultraviolet sensor | | | 23,034 |
