Categories: Safety Guides FISA 204 Flails and mulchers in tree work This leaflet covers the safe working practices to be followed when operating front-, rear- or arm-mounted flails and mulchers in forestry and other tree work. The flail or mulcher may be part of a purposebuilt machine or mounted on and powered by a tractor, excavator or other suitable base vehicle. Documents to download FISA 204 Flails and Mulchers.pdf(.pdf, 293.96 KB) Previous Article FISA 203 Next Article FISA 301 Print