Dimension,Category,HVAC DAFW cases 2023-2024 (two-year total),Share of HVAC DAFW cases (%),Share of all-occupation DAFW cases (%) Nature of injury,"Sprains, strains, tears","4,220",29.7,31.0 Nature of injury,"Cuts, lacerations, punctures","2,900",20.4,9.8 Nature of injury,Fractures,"1,310",9.2,7.6 Nature of injury,"Bruises, contusions",370,2.6,8.8 Nature of injury,Thermal burns,290,2.0,1.5 Nature of injury,"Chemical burns, corrosions",240,1.7,0.4 Part of body,Upper extremities (all),"4,810",33.8, Part of body,Hand,"2,840",20.0, Part of body,Lower extremities (all),"3,670",25.8, Part of body,Trunk (all),"1,950",13.7, Part of body,Back,"1,400",9.8, Part of body,Head (all),"1,660",11.7, Part of body,Knee,"1,590",11.2, Part of body,Multiple body parts,"1,340",9.4,