Er I was fully aware of the fact that er you know, some people  say, particularly in the fitting departments where experience had taught the fitters, having been given a free hand, er that they accumulated all the parts for a job, or even part of the job, they did certain assemblies you know, until they got all the part pieces assembled ready to combine it into the main unit, erm that experience er was being overtaken by an introduction of smaller units being assembled you know, bit by bit as they were being produced in the machine shop.