An analysis of the data relating to the most significant products from an accident standpoint shows the following indices: for the works category ("general works") the frequency index is is 0.52 (in 2018 the indices were 19.6 and 0.66 respectively), while for the waste management services category the frequency index is 42.95 and the severity index is 0.95 (in 2018 the indices were FI 46.0 and SI 1.07).