Re: REstart?
Anything involving large volumes of molten chocolate...
A few years back I worked for a specialist haulage contractor that mostly handled nasty chemicals, but also shifted liquid chocolate around Europe for a famous confectionery company. One day a rig came into the yard hauling a tanktainer full of the stuff - with a failed heating system. The heater can keep the load liquid long enough to get it from point A to point B, but no way can it melt it again if it solidifies. That problem was solved essentially by a bloke with a hammer and a chisel, resulting in a downgraded tank and a large pile of chocolate rubble that was free for all takers.
Five tanks full of latex that RENFE shunted into a siding and forgot about didn't fare quite so well.