The plural is los conductores.
The plural form of "conductor" in Spanish is "conductores."
Los papeles is the plural of el papel.
The plural form of "el papel" is "los papeles."
The plural form of el hospital is los hospitales.
The plural of 'el día' in Spanish is 'los días.'
The plural form for "El Libra" is "Los Libras."
The plural of "el" in Spanish is "los" when referring to masculine nouns, and "las" when referring to feminine nouns.
The plural form would be "Los chicos son altos y guapos."
El libro is the singular version.
El niños
It means "they" or "them". Plural of "el". Keep in mind that this "el" refers to a person, not a thing. The plural of a thing ("el", the) is "los".