over animal W01.0 with fall W01.0 carpet, rug or(small) object W22.8 with fall W18.09 person W51 with fall W03 due to ice or snow W00.0 without fall W18.40 due to specified NEC W18.49 stepping from one level to another W18.43 stepping into hole or opening W18.42 stepping on object W18.41