Some are builders, some are au pairs and some will work on farms - while many left Poland with degrees and are proficient in English. But they all say they have places to live, are happy to pay British taxes, and are just glad of the chance to work. They are leavinga life of high unemployment and low wages in Poland, where a nanny can earn as little as £1,200 a year and even a qualified engineer can expect an annual salary of only £3,000.