Service and working scaffolds; types of scaffolding constructions expect ladder scaffolds and scaffolds made of prefabricated elements; safety requirements and basic versions— 12 стр.
91.220 Construction. Including scaffolding, mixers for concrete and mortar, etc. / Строительное оборудование. Включая строительные леса, бетоносмесители и мешалки для строительных растворов и т.д.
