[Quote]To prevent nuclear infection I suppose Cleffa could use aromatherapy. Steel types are immune to poison but that doesnt really help the trainer himself. 
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Oh my Grimer could deal with the poison that Trubbish/Garbodor is spreading, seeing it eats garbage , thereby maybe neutralizing it? 

Also, if we dont get any Voltorb helping us out, I could always write that Porygon can use electric moves. Not sufe if that is a good idea plotwise tho.