<P> The Fénix capsules were three metallic containers that were used for the rescue of 33 trapped miners after the 2010 Copiapó mining accident, and are an enhanced version of the Dahlbusch Bomb . The capsules were constructed by Astilleros y Maestranzas de la Armada Chilena (ASMAR), (Shipyards and Arsenals of the Chilean Navy), who named it Fénix (Phoenix). </P> <P> The Fénix capsules were designed by the Chilean Navy, in collaboration with the United States space agency NASA . They have a diameter of 54 centimetres (21 in), and have eight wheels located on the top and the bottom, with a damping system for mobility in the pipeline . The Fénix capsules have a harness to hold the occupant, an oxygen supply, and a microphone with speakers, which were used to connect the miners with the rescuers at the surface during the rescue . </P>

Who made the capsule to rescue the chilean miners