Harry Kooijman - I'm a chemical engineer by education and profession and I like to contribute to Wikipedia in general. I have 25 years of industrial experience in distillation, thermodynamics, and simulation.
| nl | Deze gebruiker heeft het Nederlands als moedertaal. |
| en-4 | This user can contribute with a near-native level of English. |
| de-2 | Dieser Benutzer hat fortgeschrittene Deutschkenntnisse. |