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| harte Prüfung; Feuerprobe f; Zerreißprobe f | |||
| harter Test; scharfe Probe; strenge Prüfung | |||
| Härtetest m; Nagelprobe f | |||
| Bohrlochneigungsmessung mit flußsäuregefüllter Glasflasche | |||
| English thesaurus | |||
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| To test for the truth. (The acid test is a test from basic chemisty. It is used to test whether a solution is acidic by turning litmus paper red or testing precious metals Franka_LV) | |||
| acid test: 22 phrases in 9 subjects |
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