Princess Elizabeth opens graving dock and receives a box of diamonds in East London, South Africa

The video discusses the rich heritage and potential of a large country, emphasizing its readiness for development. It then announces the opening of the Princess Elizabeth Graving Dock, marking a significant milestone. The video concludes with a formal declaration of the dock's opening.

What significance does the opening of the Princess Elizabeth Graving Dock hold?

What action is implied by the word 'Send' in the context of the text?