This is the 10669th most frequent Polish word.
dostarczający
Providing or delivering.
The word 'dostarczaniu' is used here to describe the act of delivering, related to the verb 'dostarczać'.
Ten kurier jest bardzo dobry w dostarczaniu paczek.
This courier is very good at delivering packages.
The word 'dostarczającego' is a participle used as a noun to signify the person performing the action of delivering.
Za dostarczającego wiadomość zawsze dziękujemy.
We always thank the person delivering the message.
The word 'dostarczająca' is an adjective derived from the verb 'dostarczać', describing a company that carries out the act of delivery.