Translate the given Spanish text to English

[Q]: Theliquid is preferably introduced by means of a sealed cartridge (5), which maybe supplied separately or as an integral part of the device.
[A]: El liquido se introduce preferentemente por medio de un cartucho sellado (5), que puede suministrarse por separado o como parte integral del dispositivo.


[Q]: Systems and methods are provided for generating subsequent encryption keys by a client device (131)as one of a plurality of client devices (131 -134) across a network (1 10).
[A]: Se proporcionan sistemas y métodos para generar claves de cifrado posteriores mediante un dispositivo cliente como uno de una pluralidad de dispositivos a través de una red.


[Q]: Disclosed are 9-deoxyprostaglandins which are useful in the treatment of glaucoma and ocular hypertension.
[A]:
Se describen 9-deoxiprostaglandinas que son utiles en el tratamiento del glaucoma y las hipertension ocular.