01189oam 2200361Ia 450 991070024810332120110608075516.0(CKB)5470000002408496(OCoLC)722819704(EXLCZ)99547000000240849620110512d2004 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierConcrete manufacturing[electronic resource][Washington, DC?] :Occupational Safety and Health Administration,[2004]1 online resource (25 pages) color illustrationsOSHA pocket guideWorker safety seriesTitle from title screen (viewed May 11, 2011)."OSHA 3221-12N 2004"--Cover.Concrete products industryUnited StatesSafety measuresConcrete products industrySafety measures.United States.Occupational Safety and Health Administration.GPOGPOGPOBOOK9910700248103321Concrete manufacturing3121091UNINA