01470nam 2200385 450 991071510450332120210312104733.0(CKB)5470000002508974(OCoLC)1241253970(EXLCZ)99547000000250897420210312d2018 ua 0spaur|||||||||||txtrdacontentcrdamediacrrdacarrierProteja los trabajadores dentro de zanjas[Washington, D.C.] :Departamento de Trabajo de los EE. UU., AdministracioĢn de Seguridad y Salud Ocupacional,2018.1 online resource (1 poster) color illustrations"OSHA 3255-06R; 2018 Protect Workers in Trenches -- Spanish."Spanish version.TrenchesUnited StatesSafety measuresPostersConstruction industryUnited StatesSafety measuresPostersConstruction workersWounds and injuriesUnited StatesPreventionPostersSafety posters.lcgftTrenchesSafety measuresConstruction industrySafety measuresConstruction workersWounds and injuriesPreventionUnited States.Occupational Safety and Health Administration,GPOGPOBOOK9910715104503321Proteja los trabajadores dentro de zanjas3545428UNINA