| Subject | English | Russian |
| progr. | inflexible constraint | негибкое ограничение (ssn) |
| comp., MS | inflexible constraint | жёсткое ограничение (A constraint that ties a task to a date. The inflexible constraints are Must Finish On and Must Start On) |
| progr. | inflexible constraint for projects scheduled from the finish date | негибкое ограничение для проектов, планируемых с конечной даты (finish no earlier than ssn) |
| progr. | inflexible constraint for projects scheduled from the start date | негибкое ограничение для проектов, планируемых с даты начала (finish no later than ssn) |
| progr. | inflexible constraints | негибкие ограничения (ssn) |