Which city is taking steps to promote its edge communities? Los Angeles, which has used zoning to encourage people and businesses to relocate to its downtown
St. Louis, which has invested billions of dollars to construct a new sports stadium in its central business district
Baltimore, which has approved zoning to make it easier to construct large-scale housing on its outskirts
Columbus, which has encouraged developers to build shopping malls on the outskirts of the city
Seattle, which has protected land on its outskirts for recreational activities for city residents

Iwould suggest the myers-briggs type indicator because the railroad unions are looking for which are focused introverts. the mbti was designed to provide a lot of information about what a person likes and what their personality based on the four-dimension scale. also for an employer it has been extremely to predict how an employee would act in a professional setting. this is what the railroad unions are looking for. they want the railroad workers to be focused and skillful to ensure the safety of everyone around them. but the other assessments don't match the criteria for the unions. like the measure disorder, emotions and self-esteem while the rorschach and tat tests are both projective tests that mainly measure someone’s personality. also, because this job is not easy, it is vital to make sure the employers are hiring the right people for the job.

Geographic information system
global positioning system
one has the word information, the other has the word positioning