Html elements embed, command, and progress

embed element Defines an object, such as a multimedia file, embedded in an HTML document, command element The command element represents a command which the user can invoke, progress element The HTML progress (<progress>) element is used to view the completion progress of a task. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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embed embed and command, embed, command, and progress

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