This is the 5728th most frequent Russian word.
проверку
"Verification" or "check."
Here, 'проверку' refers to a safety inspection or verification process.
Он прошел проверку безопасности перед входом.
He underwent a security check before entering.
In this context, 'проверку' is the act of reviewing or verifying something for correctness or completeness.
Учитель начал проверку тетрадей учеников.
The teacher started checking the students' notebooks.
Here, 'проверку' refers to an evaluation or testing process to meet specific standards.