Russian translation: изменения в расписании смен и уроков
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English to Russian translations [PRO] Tech/Engineering - IT (Information Technology) / paging systems
English term or phrase:shift and class changes
Paging systems first came on the scene during World War II, when United States manufacturing plants were mobilized to build military products, and the ability to make announcements and play motivational music was deemed necessary. Since then, paging and alert systems have become common in offices, schools, factories, and retail establishments as a means of locating people, making facility-wide announcements, indicating ***shift and class changes***, or playing background music.