Translate the given Spanish text to English

[Q]: The selected advertisement is sent to the multimedia system.
[A]: El anuncio seleccionado se envia al sistema de medios multiples.


[Q]: The second arm portion is pivotably connected to the walls.
[A]: La segunda porción del brazo se conecta en pivote a las paredes.


[Q]: Also contemplated are associated compositions and uses thereof.
[A]:
Tambien se contemplan composiciones asociadas y usos de las mismas.