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William Adams , victim and the No. 2 Unit foreman , entered the mine with his crew at 7:00 a.m. and arrived on the No. 2 Unit around 7:20 a.m. Soon after arriving on the section , Adams discussed a previous lost time injury that occurred at the mine and stressed roof control safety to the miners during a safety talk . The international trading system has taken on an increasingly consumer-driven focus . Problems such as mold , poor air quality , fluctuating temperatures and other factors lead to more illnesses among students and staff members , higher absenteeism , and make it more difficult for children to learn , according to the report . Many stories fall into a chiasmus by necessity because of a natural there-and-back-again flow : the man got up from bed , got dressed , left home , worked all day , came home , got undressed , went to bed . " The American Lung Association has documented the health affects of poor air qualities in schools , noting that schoolchildren have missed as much as 12 million school days since 2000 , due to asthma exacerbated by poor air quality . Literacy Strategy : Ofsted yesterday published its latest report on the government 's national literacy and numeracy strategies .