TASK DEFINITION: Translate the given Spanish text to English
PROBLEM: In accordance with some embodiments of the present disclosure, a drilling system comprises a rotating control device (RCD).

SOLUTION: De acuerdo con algunas modalidades de la presente descripción, un sistema de perforación comprende un dispositivo de control giratorio (RCD).

PROBLEM: one

SOLUTION: 1

PROBLEM: Small microscope whose preferred use is as an effective contraceptive method.

SOLUTION:
MICROSCOPIO DE REDUCIDAS DIMENSIONES, CON USO PREFERENTEMENTE INDICADO COMO EFICAZ METODO ANTICONCEPTIVO.