käsittelisivät
käsittelisivät is the conditional, plural form of the Finnish verb "käsitellä". The verb "käsitellä" has several meanings, but in this grammatical form, it typically translates to "they would handle" or "they would deal with". The conditional mood in Finnish, indicated by the "-isi-" suffix, expresses a hypothetical situation, a wish, or a suggestion. Therefore, "käsittelisivät" implies a scenario where a group of people or things would be performing the action of handling or dealing with something, but this action is not necessarily happening in the present or is dependent on certain conditions.
For example, in a sentence like "Jos heillä olisi aikaa, he käsittelisivät ongelman", which translates to "If