| Subject | English | Dutch |
| met. | as shown by end quench test hardness curves | zoals uit de hardheidskromme blijkt |
| tech., mater.sc. | ball hardness testing | kogeldrukproef |
| mech., meas.inst. | Brinell hardness test | brinellproef |
| meas.inst. | Brinell hardness test | kogeldrukproef |
| tech., mater.sc. | Brinell hardness testing | Brinellproef |
| tech., mater.sc. | Brinell hardness testing | Brinell-kogeldrukproef |
| tech., mater.sc. | Brinell hardness testing | hardheidsmeting volgens Brinell |
| tech., mater.sc. | diamond pyramid hardness testing | Vickers-hardheidsproef |
| met. | file hardness testing | vijlhardheidsproef |
| met. | hardness testing | hardheidsproef |
| meas.inst. | hardness testing by indentation | kogelindrukproef |
| met., meas.inst. | hardness testing by penetration | kogelindrukproef |
| tech., mater.sc. | hardness testing,hardness test | hardheidsproef |
| meas.inst. | indentation hardness test | vickershardheidsproef |
| met. | Rockwell hardness test | hardheidsproef van Rockwell |
| tech. | Rockwell hardness test | Rockwell-test |
| meas.inst. | sclerometric hardness test | krashardheidsproef |
| tech. | scleroscope hardness test | scleroskoophardheidsproef |
| tech. | scleroscope hardness test | scleroskoophardheidproef |
| meas.inst. | scleroscope hardness test of Shore | hardheidsproef van Shore |
| met., meas.inst. | scratch hardness test | krashardheidsproef |
| met., meas.inst. | Shore hardness test | hardheidsproef van Shore |
| met. | Tukon hardness testing | Tukonhardheidstest |
| met., meas.inst. | Vickers hardness test | vickershardheidsproef |
| met. | Vickers hardness testing machine | meettoestel voor hardheidsmeting volgens Vickers |