00552nam a22001817a 4500 CEME 20210628202832.0 210120b xxu||||| |||| 00| 0 eng d 0-07-141493-2 ceme 690.22 BUR Burkart, Matthew J , Mccann, Michael , Paine, Daniel M 61873 Elevated work platforms and scaffolding , job site safety manual NEW YORK MCGRAW HILL 2004 XXXII,543 P ELEVATED WORK PLATFORMS AND SCAFFOLDING 61874 BK ddc 571173 571173 0 0 0 0 CEME CEME GEN 2017-07-21 0 690.22 BUR CEME-42491 2021-06-28 2021-06-28 BK