Translate the given Spanish text to English

[EX Q]: The two phases are applied sequentially.
[EX A]: Las dos fases se aplican secuencialmente.

[EX Q]: Application to the cosmetic powders.
[EX A]: Aplicacion a los polvos cosméticos.

[EX Q]: At least one of the electrodes can include metal foam.
[EX A]:
Al menos uno de los electrodos puede incluir espuma metálica.