https://www.hse.gov.uk/safetybulletins/excavators-safety-control-lever-isolation-devices.htm?utm_source=govdelivery&utm_medium=email&utm_campaign=safety-notice&utm_term=excavators-sn&utm_content=safety-notice-18-aug-25
There is a risk that people can be struck by the excavator or a load if the excavator operator does not use the safety control lever or isolation device...
safety controlisolation devicesexcavatorsuselever