Tinman Symbolism

The other reference is Tinman which symbolises the hard working industrial workers who do the same job, everyday, emotionless, which is why tinman is described as having no heart. the fact the the tinman was always rusted describes the hard labor the men were put into during the great depression, (the rain making causing Tinman to rust). him being unable chop down the trees during the rain represents the industrialist workers not being able to work due to this great depression, but as soon as he is oiled up, he's able to work again, representing mean not being able to work until they are given a new job.