saving 10 cents on clips causes $1B in damages to boston subway cars

https://www.wcvb.com/article/mbta-officials-reveal-new-details-about-orange-line-train-electrical-cable-problems/42574849

believe me - the little I know about metallurgy and engineering and
bureaucrats tells me that this will be a $1B problem - especially
after the first crash that kills 100 people

CRRC = president xi from bejing