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Общественное здравоохранение и безопасность

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After refusing to attack an enemy position, a general accuses the soldiers of cowardice and their...

By 2022-12-17 19:54:32 0 24K

Newspaper advertising has been around for more than a century, and despite the rise of digital...

By 2026-01-27 19:41:24 0 695

Retail

Retail trade is the business activity of selling goods or providing services directly to end...

By 2024-03-18 17:20:11 0 26K

Open Source Code

Open Source is software distributed as open source. Such an application can be modified...

By 2024-03-27 17:47:08 0 23K

To append a list, the variable must be a list type. Once the variable is a list, you can then...

By 2023-02-21 23:16:43 0 12K