Edited sentence: In the workers' defense, Some people in NYC say the TWU workers are already well-paid, but in fact transit workers in other cities make more money.Many maintenance workers working on the tracks do so manually because machineries are hard to get into the subway tunnels.Now, the striking workers have shown that without them, a city like NYC doesn't work too well.Subway conductors have to do a whole run — sometimes a couple of hours or more — without being able to go to the bathroom even if their bodies tell them they must.These workers suffer from bad backs, asthma due to the toxic fumes, and many other illnesses.Working in the subways is hard work