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Thanks for all your help. I've asked some of the above questions and and i'm awaiting her reply.
I'm not even sure if she has a contract to tell you the truth.. Regardless of what shoes she's been wearing, her employers have a duty of car towards their employees and are legally required that staff work in a safe and comfortable environment. As far as i know, they are aware that the slops and chemicals are causing the problems but have failed to act on it. Technically it is an industrial injury as mentioned above.
I'm not sure that the floor is swimming in liquid, i just think she gets it on her feet as she is moving the glass from tap to bar. The injury is pretty severe and it looks like she has leprosy on her feet !!!!!
Thank you all for your answers....they've been noted and passed on.