BS EN 1004. Mobile access and working towers made of prefabricated elements. Materials, dimensions, design loads, safety and performance requirements— 40 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.
