Translate the given Spanish text to English

[Q]: Methods of assembling and operation are described.
[A]: Se describen los métodos de ensamblaje y operacion.


[Q]: Said microstructured base plate is covered with a cover plate.
[A]: La placa de base microestructurada esta cubierta con una placa de techo.


[Q]: The pump has a plastic piston cylinder.
[A]:
La bomba tiene un cilindro de pistón plástico.