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| English | Dutch |
| combination air filter | combinatie-luchtfilter |
| combination effect | wisselwerking |
| combination effect A combined effect of two or more substances or organisms which is greater than the sum of the individual effect of each | wisselwerking |
| combination effect | gecombineerd effect |
| novel modular water treatment system by combination of solar photooxidation and air ionisation | innovatief modulair waterzuiveringssysteem dat foto-oxidatie door zonlicht en luchtionisatie combineert |