This is the 675th most frequent Russian word.
требует
"Requires" or "demands."
In this sentence, 'требует' is used to express the necessity or requirement of time for completing the project.
Этот проект требует много времени.
This project requires a lot of time.
Here, 'требует' indicates that the teacher insists on following the rules, a demand for appropriate behavior.
Учитель требует соблюдения правил.
The teacher demands compliance with the rules.
In this usage, 'требует' signifies the need for a particular manner of attending to the task, emphasizing precision.