MAP20100055052 Hazards of confined spaces for municipalities and the construction industry. — British Columbia : Workers Compensation Board of British Columbia, [2004] Sumario: What is a confined space? -- Hazardous atmospheres -- Physical hazards -- Confined space entry program 1. Sector de la construcción . 2. Espacios confinados . 3. Seguridad e higiene en el trabajo . 4. Evaluación de riesgos . I. Workers Compensation Board of British Columbia .