An Investigation Relating to Health Conditions of Workers Employed in the Construction and Maintenance of Public Utilities: Hearings Before a Subcommittee... on H.J. Res. 449, Jan. 16-Feb. 4, 1936
1936 - 203페이지
다른 사람들의 의견 - 서평 쓰기
서평을 찾을 수 없습니다.
amount Answer asked believe breath Bureau of Mines caused coal committee compensation concentration connection construction contract contractors court death described develop died disease Doctor drilling Dunn of Pennsylvania dust effect employed engineers examination exposure fact feet further Gauley Bridge give GRISWOLD Harless heading House industry interested JONES jury known Labor LAMBERTSON live LOVE lungs MARCANTONIO Mason matter mean methods miners Miss ALLEN months nodules object operation paid particles percent persons PEYTON picture Power practically present probably Public Question RANDOLPH received reference result Rinehart & Dennis ROBISON rock SAYERS Service silica silicosis situation SKAGGS stage statement tell thing tissue told true tuberculosis tunnel understand United week West Virginia witness workers X-ray YANT