instruction:
Translate the given Spanish text to English
question:
Theliquid is preferably introduced by means of a sealed cartridge (5), which maybe supplied separately or as an integral part of the device.
answer:
El liquido se introduce preferentemente por medio de un cartucho sellado (5), que puede suministrarse por separado o como parte integral del dispositivo.


question:
A laminate and a method for forming the laminate.
answer:
Un laminado y un método para formar el laminado.


question:
The balance is essentially iron.
answer:

El resto es esencialmente fierro.