ok, you asked,,,,, i make areospace thread rolling dies which we make to a tollerance of 3 parts of a thousanths of an inch or .0003",in lamen terms,these make the fasteners that hold your areoplanes together, there are only 3 more companys in the uk that make them, that would put me very high up in the "skilled" department for this job,yes i should be paid millions but im not,