It is so difficult.For many generations one of my families lived a peaceful life in South Warwickshire. Then something got into them and within two generations they split assunder to Australia, USA and Canada and they are just the ones I've found at the moment. I think Ive found another . there is a column for jobs and for many mainfeststhere seems to be only two jobs lab or mech. Now realistically most people's jobs don't fall into that category. It is just shorthand for skilled and unskilled labour?