This is the 5374th most frequent Turkish word.
kontrollerini
"Kontrollerini" means "their controls" or "their checks" in English.
Here, 'kontrollerini' refers to the checks or inspections related to the devices, showing possession (belonging) in Turkish grammar.
Doktor tüm cihazların kontrollerini tamamladı.
The doctor completed the checks of all devices.
In this sentence, 'kontrollerini' indicates the action of checking or reviewing homework with a personal possessive element pointing to 'ödev.'
Öğretmen, öğrencilerinin ödev kontrollerini yapmak için hazırlandı.
The teacher prepared to check her students' homework.
This usage demonstrates 'kontrollerini' as the inspections of the aircraft before a flight, depicting thorough preparation.