File talk:Onda de Choque.png

This image should not be deleted. Its a diagram of sonic boom. Its composed of a symbol for the air plane which is

This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship.

and the symbols for sound waves which are

This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.

Heptagon

Rybkovich (talk) 01:36, 10 November 2015 (UTC)