Html elements video, object, and hgroup

video element The HTML  <video> element is used to embed video content in an HTML or XHTML document, object element Defines an object embedded in the document, hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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video video and object, video, object, and hgroup

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