Specifies safety requirements for transportable machines using rotating diamond cutting-off wheels. Does not include metal cutting or grinding, or wood and timber sawing machines, or hand-held machines
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.
