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Portable ladders : data sheet 665
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MAP20071018169
Portable ladders : data sheet 665
Sumario: This data sheet covers the selection, maintenance, and use of portable ladders used in service and manufacturing industries. No scaffolds or power-driven telescoping devices are discussed. This paper includes: selection of ladders: folding stepladders, combination or convertible ladders, straight and extension ladders, sectional ladders, trestle ladders, office and stockroom ladders, tubular metal ladders; hazards encountered when using ladders; using ladders; maintenance of ladders
En: National safety news. - Chicago. - Vol. 116, nº 1, July 1977 ; p. 79-85
1. Seguridad e higiene en el trabajo ‌. 2. Accidentes de trabajo ‌. 3. Prevención de accidentes ‌. 4. Escaleras ‌. 5. Escaleras móviles ‌. I. Title. II. Título: National safety news.