Will today＇s skills seem quaint in the chemical plant of tomorrow? The first section of our three-part cover story can help you prepare for an uncertain future, Look to Part II for help here and now, See how personality determines work style-useful knowledge for self-examination and for fathoming the behavior of co-workers, In Part III, you＇ll learn to handle your career the way top executives manage businesses, After all, the author says, we＇ve witnessed the death of lifetime employment.