TASK DEFINITION: Translate the given Spanish text to English
PROBLEM: The method according to the invention is characterized in that the waste gases (3) containing hydrogen sulfide are conveyed to a power generating facility (4), where said gases are burned, preferably with the introduction of air (5).

SOLUTION: El método inventivo se caracteriza porque los gases de desecho (3) conteniendo sulfuro de hidrógeno son alimentados a una unidad generadora de energía eléctrica (4), en la cual los gases referidos son quemados, preferentemente bajo alimentación de aire (5).

PROBLEM: The invention relates to compounds of formula (I) and pharmaceutically acceptable salts, solvates, and prodrugs thereof, and to their use as cholesterol absorption inhibitors for the treatment of hyperlipidaemia.

SOLUTION: La invencion se refiere a compuestos de formula (I) y sus sales, solvatos y profarmacos farmaceuticamente aceptables, y a su uso como inhibidores de la absorcion del colesterol para el tratamiento de la hiperlipidemia.

PROBLEM: A foldable system is described.

SOLUTION:
Se describe un sistema plegable.