1. BS EN IEC 62841-4-7 AMDAA. Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety. Part 4-7. Particular requirements for pedestrian controlled walk-behind lawn scarifiers and aerators (1st July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗