Synonyms were used for: Age Coal
Search without synonyms: title: Coal Age

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    Importance of Workshift in Determining Risk of Fatal and Lost Work Day Injury Accidents

    A. P. Watson | NTIS | 1985
    workshift and elapsed time into the shift as experienced by US coal mine workers for the years 1978 to 1980. Variables of interest in the current ...
    Keywords: Age Dependence