S'ils ignorent ce que contiennent les wagons-citernes, alors ils ne savent pas comment réagir, et s'ils ne connaissent pas le protocole de sécurité de la compagnie ferroviaire, il leur est difficile de réagir immédiatement afin de juguler la crise.
If they don't know what's in the tank cars, then they don't know how to respond, and if they don't know the safety protocol of that rail company, it's hard for them to immediately react to dealing with that crisis.