Answer:
Explanation:
Cooper Black is an ultra-bold serif typeface intended for display use that was designed by Oswald Bruce Cooper and released by the Barnhart Brothers & Spindler type foundry in 1922.
Answer:
Footnote
Explanation:
The notes related to citation or reference or comment that is assigned to a text on that page is called footnote.
D. Por el uso de tubos de vacio.