An iron vote is a Taiwanese political term for a voter that can be reliabily counted on to vote for one party or another. These usually include strong supporters of Taiwan independence or Chinese reunification.
The Kuomintang was severely hurt in 2000 by the loss of iron votes.
... Grand Prix of Monaco automobile race was held, won by Charles Grover[?] (aka "Williams") driving a Bugatti painted in what would become the famous British racing green ...