MAP20071018256 Fischer, Craig Deep tunnel : safety in a billion-dollar sewer / Craig Fischer Sumario: During one of the largest construction projects, exacting safety procedures are emphasized. The most common injuries in the deep tunnel are those that might occur on any construction site, report the safety directors, slips, trips, and falls, back injuries caused by improper lifting techniques, foreign bodies in eyes, nail punctures, finger jams En: National safety news. - Chicago. - Vol, 122, nº 5, November 1980 ; p. 33-35 1. Túneles . 2. Seguridad e higiene en el trabajo . 3. Accidentes de trabajo . 4. Prevención de accidentes . 5. Construcción . 6. Ferrocarriles . 7. Contaminación atmosférica . 8. Control de la contaminación . 9. Perforación de túneles . 10. Costes económicos . I. Título. II. Título: National safety news.