1. What facts do you learn about Clinton Cragg from this article?

2. What was the biggest challenge for Chilean engineers in rescuing the miners?

3. a) How many NASA engineers worked on a design?
b) How many days did it take the NASA team to design the capsule?

4. a) An element is defined as a distinct part of a composite device. How many elements did NASA recommend for the rescue capsule design?
b) List the elements recommended by NASA that were used on the capsule (as described in the article).