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" To ensure systems are installed and repaired in a manner that reduces the chances of pollution of ground and surface water supplies , all persons who want to perform an installation or repair must first get approval and specifications from the Health Department . Finally , having working smoke alarms dramatically increases your chances of surviving a fire . Increasing use of incendiary and explosive bullets by aircraft gunners reduced the survival chances of balloon crews . Participating in Department Honors will enhance your chances of obtaining fellowships and admission to graduate school . The first part will analyze empirical research on how such tests affect the learning and life chances of students , particularly children of color , children with limited English proficiency , children with disabilities , and children of low socioeconomic status .