Gabaɗaya, don gundumar St. Louis don zama abin dogaro ga da'awar haɗarin abin hawa, ya zama dole a gare ku ku nuna raunin da ya faru kai tsaye sakamakon ayyukan sakaci ko tsallakewa daga ma'aikacin gundumar St. Louis wanda ya taso daga aikin motoci ko masu motsi motoci a lokacin aikin su.