korzystania

In a sentence

• Podczas korzystania z internetu należy zachować ostrożność.

  While using the internet, one should exercise caution.

  The word 'korzystania' is used in its instrumental case form of the noun 'korzystanie', to refer to the action of using. It connects here to 'z internetu', as it is an action involving the internet.

• Moje doświadczenie w korzystaniu z nowoczesnych technologii jest duże.

  My experience in using modern technologies is extensive.

  The word 'korzystaniu' appears here in its locative case, used after 'w' to indicate a location in the context of using modern technologies.

• Ciągłe korzystanie z telefonu może prowadzić do problemów zdrowotnych.

  Constant use of the phone can lead to health issues.

  'Korzystanie' in this sentence is in its nominative form, acting as the subject of the sentence and denoting the act of using a phone.