This is the 2485th most frequent Turkish word.
kullanın
"Use it."
The word 'kullanın' is an imperative form addressing a formal or plural audience, instructing them to use something in a careful manner.
Bu aracı dikkatli kullanın.
Use this tool carefully.
Here, 'kullanın' emphasizes the conditional aspect of frequent usage leading to a consequence.
Telefonu çok sık kullanın, bataryası zayıflar.
If you use the phone too often, the battery will weaken.
In this sentence, 'kullanın' is part of a series of instructions encouraging action.